Biology Test Paper Final Neet (UG) 2021

Welcome to your Biology Test Paper Final Neet (UG) 2021

Name Phone Number

Diadelphous stamens are found in

China rose

China rose and citrus

Pea

Citrus

None

Read the following statements

(a) Metagenesis is observed in Helminths.

(b) Echinoderms are triploblastic and coelomate animals

(d) Comb plates present in ctenophores help in digestion

(e) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the option given below

(a), (b) and (c) are correct

(c), (d) and (e) are correct

(b), (c) and (e) are correct

(a), (d) and (e) are correct

None

The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:

Climax

Standing state

Climax community

Standing crop

None

Which of the following are not secondary metabolites in plants?

Vinblastin, curcumin

Rubber, gums

Amino acids, glucose

Morphine, codeine

None

Amensalism can be represented as:

Species A (+); Species B (0)

Species A (+); Species B (+)

Species A (-): Species B (0)

Species A (-); Species B (-)

None

When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:

Telocentric

Sub-metacentric

Metacentric

Acrocentric

None

In the equation GPP-R = NPP R represents:

Respiration losses

Environmental factor

Radiant energy

Retardation factor

None

The production of gametes by the parents, formation of zygotes,

the F₁ and F₂ plants, can be understood from a diagram called:

Punnett square

Net square

Punch square

Bullet square

None

Match List-l with List-II

	Column-l		Column-ll
(a)	Protein	(i)	C = C double bonds
(b)	Unsaturated fatty acid	(ii)	Phosphodiester bonds
(c)	Nucleic acid	(iii)	Glycosidic bonds
(d)	Polysaccharide	(iv)	Peptide bonds

Choose the correct answer from options given below.

.(a) (b) (c) (d)

(iv) (i) (ii) (iii)

(i) (iv) (iii) (ii)

(ii) (i) (iV) (iii)

(iv) (iii) (i) (ii)

None

10.

What is the role of RNA polymerase III in the process of transcription in eukaryotes?

Transcribes rRNAs (28S, 18S and 5.8S)

Transcribes precursor of mRNA

Transcribes tRNA, 5s rRNA and snRNA

Transcribes only siRNAs

None

11.

Which one of the following belongs to the family Muscidae?

House fly

Fire fly

Grasshopper

Cockroach

None

12.

Which of the following algae contains mannitol as reserve food material?

Gracilaria

Ectocarpus

Volvox

Ulothrix

None

13.

Which of the following algae produce Carrageen?

Green algae

Red algae

Blue-green algae

Brown algae

None

14.

Dobson units are used to measure thickness of:

Stratosphere

CFCs

Ozone

Troposphere

None

15.

Match List-I with List II

	List -I		List II
(a)	Adaptive radiation	(i)	Selection of resistant varieties due to excessive use of herbicides and pesticides
(b)	Convergent evolution	(ii)	Bones of forelimbs in Man and Whale
(c)	Divergent evolution	(iii)	Wings of Butterfly and Bird
(d)	Evolution by anthropogenic action	(iv)	Darwin Finches

Choose the correct answer from the options given below.

(a) (b) (c) (d)

(iv) (iii) (ii) (i)

(ii) (i) (iv) (iii)

(iii) (ii) (i) (iv)

(i) (iv) (iii) (ii)

None

16.

Which of the following is an incorrect statement?

Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles

The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm

Microbodies are present both in plant and animal cells

Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm

None

17.

DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as

Yellow bands

Bright blue bands

Bright orange bands

Dark red bands

None

18.

The organelles that are included in the endomembrane system are

Golgi complex, Mitochondria, Ribosomes and Lysosomes

Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles

Golgi complex, Endoplasmic reticulum, Mitochondria and Lysosomes

Endoplasmic reticulum, Mitochondria, Ribosomes and Lysosomes

None

19.

The site of perception of light in plants during photoperiodism is

Axillary bud

Shoot apex

Stem

Leaf

None

20.

Which of the following statements wrongly represents the nature of smooth muscle?

These muscles are present in the wall of blood vessels

Communication among the cells is performed by intercalated discs

They are involuntary muscles

These muscle have no striations

None

21.

The first stable product of CO₂ fixation in Sorghum is

Succinic acid

Phosphoglyceric acid

Pyruvic acid

Oxaloacetic acid

None

22.

Sphincter of oddi is present at

Ileo-caecal junction

Junction of hepato-pancreatic duct and duodenum

Gastro-oesophageal junction

Junction of jejunum and duodenum

None

23.

Which of the following is not an objective of Biofortification in crops?

Improve vitamin content

Improve protein content

Improve micronutrient and mineral content

Improve resistance to diseases

None

24.

During muscular contraction which of the following events occur?

(a) 'H' zone disappears

(b) 'A' band widens

(d) Myosine hydrolyzes ATP, releasing the ADP and Pi.

(e) Z-lines attached to actins are pulled inwards.

Choose the correct answer from the options given below:

(a), (b), (c), (d) only

(b), (d), (e), (a) only

(a), (c), (d), (e) only

(b), (c), (d), (e) only

None

25.

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:

Palindromic Nucleotide sequences

Poly(A) tail sequences

Degenerate primer sequence

Okazaki sequences

None

26.

Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called

Elasticity

Maturity

Flexibility

Plasticity

None

27.

Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?

Predation

Mutualism

Resource partitioning

Competitive release

None

28.

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as

Satellite DNA

Repetitive DNA

Single nucleotides

Polymorphic DNA

None

29.

In the exponential growth equation N, Noe, e represents

The base of geometric logarithms

The base of exponential logarithms

The base of number logarithms

The base of natural logarithms

None

30.

Which of the following plants is monoecious?

Cycas circinalis

Chara

Marchantia polymorpha

Carica papaya

None

31.

Identify the incorrect pair

Alkaloids Codeine

Drugs Ricin

Toxin Abrin

Lectins Concanavalin A

None

32.

The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G. phase is 8, what would be the number of chromosomes after S phase?

None

33.

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

Cow yields about 6-8 eggs at a time

Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage

Cow is administered hormone having LH like activity for super ovulation

Cow is fertilized by artificial insemination

None

34.

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:

DNA

RNA

Polysaccharides

Histones

None

35.

Match List-I with List-II.

List-l	List-ll
(a)Cristae	(1)Primary constriction in chromosome
(b)Thylakoids	(ii)Disc-shaped sacs in Golgi apparatus
(c)Centromere	(iii) Infoldings in mitochondria
(d) Cisternae	(iv) Flattened membranous sacs in stroma of plastids

Choose the correct answer from the options given below.

(a)

(b)

(c)

(d)

(iv) (iii) (ii) (i)

(iii) (iv) (i) (ii)

(i) (iv) (iii) (ii)

(ii) (iii) (iv) (i)

None

36.

Match Column with Column-II

	Column-l		Column-ll
(a)	Nitrococcus	(i)	Denitrification
(b)	Rhizobium	(ii)	Conversion of ammonia to nitrite
(c)	Thiobacillus	(iii)	Conversion of nitrite to nitrate
(d)	Nitrobacter	(iv)	Conversion of atmospheric nitrogen to ammonia

Choose the correct answer from options given below.

(a) (b) (c) (d)

(i) (ii) (iii) (iv)

(iii) (i) (iv) (ii)

(i) (iv) (i) (iii)

(iv) (iii) (ii) (i)

None

37.

Match List-l with List-II.

List-l	List-ll
(a) Lenticels	(i) Phellogen
(b) Cork cambium	(ii) Suberin deposition.
(c) Secondary cortex	(iii) Exchange of gases
(d) Cork	(iv) Phelloderm

Choose the correct answer from the options given below.

(a)

(b)

(c)

(d)

(iv) (i) (iii) (ii)

(ii) (i) (iv) (ii)

(iv) (ii) (i) (iii)

(ii) (iii) (iv) (i)

None

38.

Which of the following statements is incorrect?

Oxidation-reducation reactions produce proton gradient in respiration

ATP is synthesized through complex V

During aerobic respiration, role of oxygen is limited to the terminal stage

In ETC (Electron Transport Chain), one molecule of NADH + H gives rise to 2 ATP molecules, and one FADH, gives rise to 3 ATP molecules

None

39.

Following are the statements with reference to 'lipids'

(a) Lipids having only single bonds are called unsaturated fatty acids

(b) Lecithin is a phospholipid

(d) Palmitic acid has 20 carbon atoms including carboxyl carbon.

(e) Arachidonic acid has 16 carbon atoms.

Choose the correct answer from the options given below.

(b) and (e) only

(a) and (b) only

(b) and (c) only

None

40.

Select the correct pair.

Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells

Loose parenchyma cells rupturing the epidermis and forming a lens shaped opening in bark - Spongy parenchyma

Cells of medullary rays that form part of cambial ring - Interfascicular cambium

In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue

None

41.

Which of the following statements is not correct?

Pyramid of biomass in sea is generally inverted.

Pyramid of energy is always upright.

Pyramid of numbers in a grassland ecosystem is upright.

Pyramid of biomass in sea is generally upright.

None

42.

Following are the statements about prostomium of earthworm

(a) It serves as a covering for mouth.

(b) It helps to open cracks in the soil into which it can crawl.

(d) It is the first body segment.

Choose the correct answer from the options given below.

(a), (b) and (d) are correct

(a), (b), (c) and (d) are correct

(b) and (c) are correct

(a), (b) and (c) are correct

None

43.

. Which of the following statements is correct?

Organisms that depend on living plants are called saprophytes

Fusion of protoplasms between two motile on non-motile gametes is called plasmogamy

Fusion of two cells is called Karyogamy

Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells

None

44.

Match List- with List-1

	List-l		List-ll
(a)	Aspergillus ) niger	(i)	Acetic Acid
(b)	Acetobacter aceti	(ii)	Lactic Acid
(c)	Clostridium butylicum	(iii)	Citric Acid
(d)	Lactobacillus	(iv)	Butyric Acid

Choose the correct answer from options given below.

.(a) (b) (c) (d)

(iv) (ii) (i) (iii)

(ii) (iii) (i) (iv)

(iii) (i) (iv) (ii)

(i) (ii) (iii) (iv)

None

45.

Which of the following stages of meiosis involves division of centromere?

Telophase II

Metaphase I

Metaphase II

Anaphase II

None

46.

. Which of the following RNAs is not required for the synthesis of protein?

siRNA

mRNA

RNA

IRNA

None

47.

Complete the flow chart on central dogma

(a)-Replication; (b)-Transcription; (c)-Translation;(d)-Protein

(a)-Replication, (b)-Transcription;(c)-Transduction; (d)-Protein

(a)-Translation; (b)-Replication;(c)-Transcription;(d)-Transduction

(a)-Transduction; (b)-Translation; (c)-Replication;(d)-Protein

None

48.

The factor that leads to Founder effect in a population is:

Natural selection

Genetic recombination

Genetic drift

Mutation

None

49.

Match List- with List-1

	List -I		List II
(a)	Scapula	(i)	Cartilaginous joints
(b)	Cranium	(ii)	Flat bone
(c)	Sternum	(iii)	Fibrous joints
(d)	Vertebral column	(iv)	Triangular flat bone

Choose the correct answer from the options given below

(a) (b) (c) (d)

(i) (iii) (ii) (iv)

(iv) (iii) (ii) (i)

(ii) (ii) (iv) (i)

(iv) (ii) (iii) (i)

None

50.

Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary DNA in a clone of cells, followed by its detection using autoradiography because:

mutated gene does not appear on a photographic film as the probe has no complementarity with it

mutated gene partially appears on a photographic film

mutated gene does not appear on photographic film as the probe has complementarity with it

mutated gene completely and clearly appears on a photographic film

None

51.

Match List-l with List-II.

	List -I		List II
(a)	Vaults	(i)	Entry of sperm through Cervix is blocked
(b)	IUDs	(ii)	Removal of Vas deferens
(c)	Vasectomy	(iii)	Phagocytosis of sperms within the Uterus
(d)	Tubectomy	(iv)	Removal of fallopian tube

Choose the correct answer from the option given below

(a) (b) (c) (d)

(i) (iii) (ii) Iv)

(iii) (i) (iv) (ii)

(ii) (iv) (iii) (i)

(iv) (ii) (i) (iii)

None

52.

Plasmid pBR322 has Psti restriction enzyme site within gene amp that confers ampicillin resistance. If this enzyme is used for inserting a gene for B-galactoside production and the recombinant plasmid is inserted in an E.coli strain

It will not be able to confer ampicillin resistance to the host cell

It will be able to produce a novel protein with dual ability

The transformed cells will have the ability to resist ampicillin as well as produce B-galactoside

It will lead to lysis of host cell

None

53.

Succus entericus is referred to as:

Gastric juice

Intestinal juice

Pancreatic juice

Chyme

None

54.

The Adenosine deaminase deficiency results into

Parkinson's disease

Dysfunction of Immune system

Digestive disorder

Addison's disease

None

55.

Persons with 'AB' blood group are called as "Universal recipients". This is due to:

Absence of antibodies, anti-A and anti-B, in plasma

Absence of antigens A and B on the surface of RBCs

Absence of antigens A and B in plasma

Presence of antibodies, anti-A and anti-B, on RBCs

None

56.

Match List-l with List-II

List-l	List-ll
(a)Protoplast fusion	(i) Totipotency
(b)Plant tissue culture	(ii) Pomato
(c) Meristem culture	(iii) Somaclones
(d) Micropropagation	(iv) Virus free plants

Choose the correct answer from the options given below.

(a)

(b)

(c)

(d)

(1) (iii) (iv) (ii) (i)

(1) (ii) (i) (iv) (iii)

(1) (iii) (iv) (i) (ii)

(1) (iv) (iii) (ii) (i)

None

57.

Veneral diseases can spread through:

(a) Using sterile needles

(b) Transfusion of blood from infected person

(d) Kissing

(e) Inheritance

Choose the correct answer from the option given below

(a) and (c) only

(b), (c) and (d) only

(b) and (c) only

(a), (b) and (c) only

None

58.

Match List-l with List - II

	List -I		List II
(a)	Allen's Rule	(i)	Kangaroo rat
(b)	Physiological adaptation	(ii)	Desert lizard
(c)	Behavioural adaptation	(iii)	Marine fish at depth
(d)	Biochemical adaptation	(iv)	Polar seal

Choose the correct answer from the options given below

(iv) (iii) (ii) (i)

(iv) (i) (iii) (ii)

(iv) (ii) (iii) (i)

(iv) (i) (ii) (iii)

None

59.

. Assertion (A): A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.

Reason (R): Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen.

In the light of the above statements, choose the correct answer from the options given below

Both (A) and (R) are true and (R) is the correct explanation of (A)

(A) is false but (R) is true

(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

None

60.

Statement I: The codon 'AUG' codes for methionine and phenylalanine.

Statement II: 'AAA' and 'AAG' both codons code for the amino acid lysine.

In the light of the above statements, choose the correct answer from the options given below.

Both Statement I and Statement II are false

Statement I is incorrect but Statement II is true

Statement is correct but Statement Il is false

Both Statement I and Statement II are true

None

61.

The partial pressures (in mm Hg) of oxygen (O₂) and carbon dioxide (CO₂) at alveoli (the site of diffusion) are:

pO₂= 104 and pCO₂ = 40

pO₂= 40 and pCO₂ = 45

pO₂= 159 and pCO₂ = 0.3

pO₂= 95 and pCO₂ = 40

None

62.

A typical angiosperm embryo sac at maturity is:

8-nucleate and 8-celled

7-nucleate and 7-celled

7-nucleate and 8-celled

8-nucleate and 7-celled

None

63.

When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as:

Molecular diagnosis

Safety testing

Biopiracy

Gene therapy

None

64.

Which of the following is not an application of PCR (Polymerase Chain Reaction)?

Molecular diagnosis

Gene amplification

Purification of isolated protein

Detection of gene mutation

None

65.

Erythropoietin hormone which stimulates R.B.C. formation is produced by:

The cells of bone marrow

The cells of rostral adenohypophysis

Alpha cells of pancreas

Juxtaglomerular cells of the kidney

None

66.

Which one of the following statements about Histones is wrong?

The pH of histones is slightly acidic

Histones carry positive charge in the side chain

Histones are rich in amino acids Lysine and Arginine

Histones are organized to form a unit of 8 molecules

None

67.

In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

Poaceae: Rosaceae

Rosaceae: Leguminosae

Poaceae: Solanaceae

Poaceae Leguminosae

None

68.

Match the column-I with column-II

(i) (ii) (iii) (iv)

(iv) (ii) (i) (iii)

(i) (iii) (iv) (i)

(iii) (iv) ((ii) (i)

None

69.

Which of the following statements is incorrect?

Cyclic photophosphorylation involves both PS I and PS II

Grana lamellae have both PS I and PS II

Both ATP and NADPH + H' are synthesized during non-cyclic photophosphorylation

Stroma lamellae have PS I only and lack NADP reductase

None

70.

Mutations in plant cells can be induced by:

Infrared rays

Kinetin

Zeatin

Gamma rays

None

71.

. Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.

Adhering junctions and Gap junctions, respectively

Adhering junctions and Tight junctions, respectively

Tight junctions and Gap junctions, respectively

Gap junctions and Adhering junctions. respectively

None

72.

Match List-l with List-II

	List -I		List II
(a)	Filariasis	(i)	Haemophilus influenzae
(b)	Amoebiasis	(ii)	Trichophyton
(c)	Pneumonia	(iii)	Wuchereria bancrofti
(d)	Ringworm	(iv)	histolytica Entamoeba

Choose the correct answer from the options given below

(a) (b) (c) (d)

(iv) (i) (iii) (ii)

(i) (ii) (iv) (iii)

(ii) (iii) (i) (iv)

(iii) (iv) (i) (ii)

None

73.

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

Denaturation, Annealing, Extension

Denaturation, Extension, Annealing

Extension, Denaturation, Annealing

Annealing, Denaturation, Extension

None

74.

With regard to insulin choose correct options.

(a) C-peptide is not present in mature insulin.

(b) The insulin produced by rDNA technology has C-peptide.

(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.

Choose the correct answer from the options given below

(a), (c) and (d) only

(a) and (d) only

(b) and (d) only

(b) and (c) only

None

75.

Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?

Thrombokinase

Renin

Thrombin

Epinephrine

None

76.

Which one of the following is an example of Hormone releasing IUD?

CUT

Multiload 375

Cu 7

LNG 20

None

77.

Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?

DNA dependent DNA polymerase

DNase

DNA Ligase

DNA dependent RNA polymerase

None

78.

Which of these is not an important component of initiation of parturition in humans ?

Release of Oxytocin

Increase in estrogen and progesterone ratio

Release of Prolactin

Synthesis of prostaglandins

None

79.

During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?

Denaturation

Annealing

Ligation

Extension

None

80.

Which one of the following organisms bears hollow and pneumatic long bones?

Omithorhynchus

Hemidactylus

Macropus

Neophron

None

81.

Match List-l with List-II.

List-l	List-ll
(a) Cohesion	(i) More attraction in liquid phase
(b) Adhesion	(ii) Mutual attraction among water molecules
(c)Surface tension	(iii) Water loss in liquid phase
(d)Guttation	(iv) Attraction towards polar surfaces

Choose the correct answer from the options given below.

(a)

(b)

(c)

(d)

(iv) (iii) (ii) (i)

(ii) (i) (iv) (iii)

(ii) (iv) (i) (iii)

(iii) (i) (iv) (ii)

None

82.

Match List-l with List-II

	Column-l		Column-ll
(a)	S phase	(i)	Proteins are synthesized
(b)	G₂phase	(ii)	Inactive phase
(c)	Quiescent stage	(iii)	Interval between mitosis and initiation of DNA replication
(d)	G₁phase	(iv)	DNA replication

Choose the correct answer from options given below.

.(a) (b) (c) (d)

(iv) (i) (ii) (iii)

(iv) (ii) (iii) (i)

(iii) (ii) (i) (iv)

(ii) (iv) (iii) (i)

None

83.

. Match the following:

	List-l		List-ll
(a)	Physalia	(i)	Pearl oyster
(b)	Limulus	(ii)	Portuguese Man of War
(c)	Ancylostoma	(iii)	Living fossil
(d)	(d) Pinctada	(iv)	Hookworm

Choose the correct answer from the options given below,

(a) (b) (c) (d)

(ii) (iii) (i) (iv)

(ii) (iii) (iv) (i)

(iv) (i) (iii) (ii)

(i) (iv) (iii) (ii)

None

84.

The centriole undergoes duplication during

Prophase

S-phase

Metaphase

G₂ phase

None

85.

The plant hormone used to destroy weeds in a field

IBA

2,4-D

IAA

NAA

None

86.

Identify the correct statement

The coding strand in a transcription unit is copied to an mRNA

Split gene arrangement is characteristic of prokaryotes

In capping, methyl guanosine triphosphate is added to the 3' end of hnRNA

RNA polymerase binds with Rho factor to terminate the process of transcription in bacteria

None

87.

The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is:

Cleistogamy

Geitonogamy

Chasmogamy

Xenogamy

None

88.

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

Uterus

Graafian follicle

Foetus

Corpus luteum

None

89.

For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?

Southern Blotting Technique

Hybridization Technique

Western Blotting Technique

ELISA Technique

None

90.

. Gemmae are present in

Pteridophytes

Some Liverworts

Mosses

Some Gymnosperms

None

91.

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?

Pachytene

Diakinesis

Zygotene

Leptotene

None

92.

Match List I with List - II

	List-l		List-ll
(a)	Metamerism	(i)	Coelenterata
(b)	Canal system	(ii)	Ctenophora
(c)	Comb plates	(iii)	Annelida
(d)	Cnidoblasts	(iv)	Porifera

Choose the correct answer from options given below.

.(a) (b) (c) (d)

(iii) (iv) (ii) (i)

(iii) (iv) (i) (ii)

(iv) (iii) (i) (ii)

(iv) (i) (ii) (iii)

None

93.

Match List-l with List-II.

List-l

List-ll

(a) Cells with active cell division capacity

(i) Vascular tissues

(b) Tissue having all cells similar in

structure and function

(ii) Meristematic tissue

(iii) Sclereids

(d) Dead cells with highly thickened walls and narrow lumen

iv) Simple tissue

Select the correct answer from the options given below.

(a)

(b)

(c)

(d)

(iv) (iii) (ii) (i)

(iii) (ii) (iv) (i)

(i) (ii) (iii) (IV)

(ii) (IV) (i) (iii)

None

94.

Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as:

Gout

Muscular dystrophy

Arthritis

Myasthenia gravis

None

95.

Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as:

Heterosporous

Heterosorus

Homosorus

Homosporous

None

96.

Receptors for sperm binding in mammals are present on:

Corona radiata

Vitelline membrane

Zona pellucida

Perivitelline space

None

97.

If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?

T: 30G: 20; C: 20

T:20G: 25: C: 25

T: 20G: 20; C: 30

T: 20 G:30; C: 20

None

98.

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.

Low pO₂low pCO₂, more H⁺, higher temperature

Low pO₂ high pCO₂, more H⁺, higher temperature

High pO₂high pCO₂, less H⁺, higher temperature

High pO₂low pCO₂, less H⁺, lower temperature

None

99.

Which of the following characteristics is incorrect with respect to cockroach?

A ring of gastric caeca is present at the junction of midgut and hind gut

10th abdominal segment in both sexes, bears a pair of anal cerci

In females, 7th-9th sterna together form a genital pouch

Hypopharynx lies within the cavity enclosed by the mouth parts

None

100.

In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?

25%

50%

75%

100%

None

1 out of 20

Time's up