1.
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
2.
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?
3.
Select the correct pair.
4.
Which of the following is an incorrect statement?
5.
During muscular contraction which of the following events occur?
| (a) 'H' zone disappears |
| (b) 'A' band widens |
| (c) 'T' band reduces in width |
| (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:
6.
.
| 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. |
7.
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.
8.
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)
9.
Which of the following statements is not correct?
10.
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
11.
The organelles that are included in the endomembrane system are
12.
Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as:
13.
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.
14.
Which of the following are not secondary metabolites in plants?
15.
DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as
16.
Which of the following algae contains mannitol as reserve food material?
17.
When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as:
18.
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)
19.
Which one of the following statements about Histones is wrong?
20.
Erythropoietin hormone which stimulates R.B.C. formation is produced by:
21.
Which of the following characteristics is incorrect with respect to cockroach?
22.
Which one of the following belongs to the family Muscidae?
23.
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?
24.
Which of these is not an important component of initiation of parturition in humans ?
25.
During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
26.
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. |
| (c) The pro-insulin 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 |
27.
Complete the flow chart on central dogma
28.
A typical angiosperm embryo sac at maturity is:
29.
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
30.
The centriole undergoes duplication during
31.
Mutations in plant cells can be induced by:
32.
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called
33.
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)
34.
Diadelphous stamens are found in
35.
Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?
36.
Amensalism can be represented as:
37.
Which one of the following organisms bears hollow and pneumatic long bones?
38.
Which one of the following is an example of Hormone releasing IUD?
39.
Persons with 'AB' blood group are called as "Universal recipients". This is due to:
40.
Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
41.
In the equation GPP-R = NPP R represents:
42.
. Which of the following RNAs is not required for the synthesis of protein?
43.
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 |
| (c) Tissue having different types of cells | (iii) Sclereids |
| (d) Dead cells with highly thickened walls and narrow lumen | iv) Simple tissue |
Select the correct answer from the options given below.
44.
Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?
45.
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?
46.
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)
47.
Which of the following stages of meiosis involves division of centromere?
48.
Veneral diseases can spread through:
| (a) Using sterile needles |
| (b) Transfusion of blood from infected person |
| (c) Infected mother to foetus |
| (d) Kissing |
| (e) Inheritance |
Choose the correct answer from the option given below
49.
Which of the following statements wrongly represents the nature of smooth muscle?
50.
DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as
51.
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
52.
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
53.
Identify the correct statement
54.
Which of the following plants is monoecious?
55.
Which of the following statements is incorrect?
56.
The production of gametes by the parents, formation of zygotes,
the F1 and F2 plants, can be understood from a diagram called:
57.
. 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.
58.
Which of the following algae produce Carrageen?
59.
Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as:
60.
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)
61.
Which of the following is not an objective of Biofortification in crops?
62.
Which of the following statements is incorrect?
63.
Identify the incorrect pair
64.
The first stable product of CO₂ fixation in Sorghum is
65.
The Adenosine deaminase deficiency results into
66.
The site of perception of light in plants during photoperiodism is
67.
Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?
68.
Match the column-I with column-II
69.
In the exponential growth equation N, Noe, e represents
70.
Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.
71.
Succus entericus is referred to as:
72.
Match List-l with List-II
| | Column-l | | Column-ll |
| (a) | S phase | (i) | Proteins are synthesized |
| (b) | G2 phase | (ii) | Inactive phase |
| (c) | Quiescent stage | (iii) | Interval between mitosis and initiation of DNA replication |
| (d) | G1 phase | (iv) | DNA replication |
Choose the correct answer from options given below.
.(a) (b) (c) (d)
73.
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
74.
Read the following statements
| (a) Metagenesis is observed in Helminths. |
| (b) Echinoderms are triploblastic and coelomate animals |
| (c) Round worms have organ-system level of body organization. |
| (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
75.
What is the role of RNA polymerase III in the process of transcription in eukaryotes?
76.
Dobson units are used to measure thickness of:
77.
The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:
78.
Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
79.
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
80.
Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?
81.
The factor that leads to Founder effect in a population is:
82.
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. |
| (c) It is one of the sensory structures. |
| (d) It is the first body segment. |
Choose the correct answer from the options given below.
83.
Following are the statements with reference to 'lipids'
| (a) Lipids having only single bonds are called unsaturated fatty acids |
| (b) Lecithin is a phospholipid |
| (c) Trihydroxy propane is glycerol. |
| (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.
84.
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)
85.
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.
86.
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
87.
..
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are:
88.
. Gemmae are present in
89.
. 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)
90.
Which of the following is not an application of PCR (Polymerase Chain Reaction)?
91.
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:
92.
. Which of the following statements is correct?
93.
Sphincter of oddi is present at
94.
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)
95.
The plant hormone used to destroy weeds in a field
96.
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)
97.
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.
98.
Receptors for sperm binding in mammals are present on:
99.
.
.
| . 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 |
100.
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:
