1.
The shorter and longer arms of a submetacentric chromosome are referred to as
2.
What is the site of perception of photoperiod necessary for induction of flowering in plants?
3.
Expressed Sequence Tags (ESTs) refers to:
4.
Match the following genes of the Lac operon with their respective products: (a) i gene (i) β-galactosidase (b) z gene (ii) Permease (c) a gene (iii) Repressor (d) y gene (iv) Transacetylase Select the correct option. (a) (b) (c) (d)
5.
Phloem in gymnosperms lacks:
6.
Extrusion of second polar body from egg. nucleus occurs:
7.
Select the hormone-releasing Intra-Uterine Devices.
9.
Variations caused by mutation, as proposed by Hugo de Vries are
10.
Which one of the following is not a method of in situ conservation of biodiversity?
11.
Match the Column-1 with Column-II Column-1 Column-II (a) P-wave (1) Depolarisation of ventricles (b) QRS complex (ii) Repolarisation of ventricles (c) T-wave (iii) Coronary ischemia (d) Reduction in the (iv) Depolarisation of atria size of T-wave (v) Repolarisation of atria Select the correct option (a) (b) (c) (d)
12.
Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement.
13.
Which of the following pair of organelles does not contain DNA?
14.
Select the incorrect statement.
15.
The correct sequence of phases of cell cycle is
16.
. What is the fate of the male gametes discharged in the synergid?
17.
The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:
18.
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in
19.
Which of the following glucose transporters is insulin-dependent?
20.
Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is
21.
Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?
22.
Which is of the following statements is incorrect?
23.
. Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?
24.
Select the correct group of biocontrol agents.
25.
Purines found both in DNA and RNA are
26.
. Select the incorrect statement.
27.
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for
28.
It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
29.
. Match the following organisms with their respective characteristics: (a) Pila (i) Flame cells (b) Bombyx (ii) Comb plates (c) Pleurobrachia (iii) Radula (d) Taenia (iv) Malpighian tubules Select the correct option from the following: (a) (b) (c) (d)
30.
Which of the following immune responses is responsible for rejection of kidney graft?
31.
Which of the following statements is not correct?
32.
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as
33.
Match the following hormones with the respective disease (a) Insulin (i) Addison's disease. (b) Thyroxin (ii) Diabetes insipidus (c) Corticoids (iii) Acromegaly (d) Growth Hormone (iv) Goitre (v) Diabetes mellitus Select the correct option. (a) (b) (c) (d)
34.
In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F, generation pink flowers were obtained. When pink flowers were selfed, the F₂ generation showed white, red and pink flowers. Choose the incorrect statement from the following:
35.
Which of the following muscular disorders is inherited?
36.
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by
37.
Which part of the brain is responsible for thermoregulation?
38.
A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?
40.
Consider following features (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics
41.
Use of an artificial kidney during hemodialysis may result in: (a) Nitrogenous waste build-up in the body (b) Non-elimination of excess potassium ions (c) Reduced absorption of calcium ions from gastro-intestinal tract (d) Reduced RBC production Which of the following options is the most appropriate?
42.
Which of the following ecological pyramids is generally inverted?
43.
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL, respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
44.
. Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
45.
Which of the following sexually transmitted diseases is not completely curable?
46.
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following
47.
Colostrum the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains.
48.
Which of the following contraceptive methods do involve a role of hormone?
49.
Match Column I with Column - II Column - I Column - II (a) Saprophyte (i) Symbiotic association of fungi with plant roots (b) Parasite (ii) Decomposition of dead organic material (c) Linchens (iii) Living on livings Plants or animals (d) Mycorrhiza (iv) Symbiotic association of algae and fungi Choose the correct answer from the option (a) (b) (c) (d)
50.
Under which of the following conditions will there be no change in the reading frame of following mRNA? 5'AACAGCGGUGCUAUU3'
51.
. Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
52.
The Earth Summit held in Rio de Janeiro in 1992 was called
53.
What is the direction of movement of sugars in phloem?
54.
The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by
55.
Which of the statements given below is not true about formation of Annual Rings in trees?
56.
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
57.
. Select the correct sequence for transport of sperm cells in male reproductive system.
58.
. Match the following structures with their respective location in organs (a) Crypts of Lieberkuhn (i) Pancreas (b) Glisson's Capsule (ii) Duodenum (c) Islets of Langerhans (iii) Small intestine (d) Brunner's Glands (iv) Liver Select the correct option from the following (a) (b) (c) (d)
59.
Which of the following can be used as a biocontrol agent in the treatment of plant disease?
60.
The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in
61.
What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
62.
Which of the following is true for Golden rice?
63.
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
64.
Which of the following is a commercial blood cholesterol lowering agent?
65.
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
66.
DNA precipitation out of a mixture of biomolecules can be achieved by treatment with
67.
Which of the following statements regarding mitochondria is incorrect?
68.
Match the hominids with their correct brain size: (a) Homo habilis (i) 900 cc (b) Homo neanderthalensis (ii) 1350 cc (c) Homo erectus (iii) 650-800 cc (d) Homo sapiens (iv) 1400 cc Select the correct option. (a) (b) (c) (d)
69.
Which of the following statements is correct?
70.
How does steroid hormone influence the cellular activities?
71.
Drug called 'Heroin' is synthesized by
72.
. Match the following organisms with the products they produce (a) Lactobacillus (i) Cheese (b) Saccharomyces cerevisiae (ii) Curd (c) Aspergillus niger (iii) Citric Acid (d) Acetobacter aceti (iv) Bread (v) Acetic Acid (a) (b) (c) (d)
73.
. In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weight from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?
74.
Which of the following is the most important cause for animals and plants being driven to extinction?
75.
Which of the following pairs of gases is mainly responsible for green house effect?
76.
What is the genetic disorder in which an individual has an overall masculine. development gynaecomastia, and is sterile?
77.
What map unit (Centimorgan) is adopted in the construction of genetic maps?
78.
Persistent nucellus in the seed is known as
79.
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
80.
Consider the following statement: (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option.
81.
Pinus seed cannot germinate and established without fungal association. This is because:
82.
Which of the following statements is incorrect?
83.
Which of these following methods is the most suitable for disposal of nuclear waste?
84.
Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus
85.
Which of the following factors is responsible for the formation of concentrated urine?
87.
Respiratory Quotient (RQ) value of tripalmitin is
88.
Thiobacillus is a group of bacteria helpful in carrying out
89.
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth
90.
Select the correct option.
