1 The transverse section of a plant shows following
anatomical features:
(a) Large number of scattered vascular bundles
surrounded by bundle sheath.
(b) Large conspicuous parenchymatous ground
tissue.
(c) Vascular bundles conjoint and closed.
(d) Phloem parenchyma absent.
Identify the category of plant and its part :-
(1) Dicotyledonous root
(2) Monocotyledonous stem
(3) Monocotyledonous root
(4) Dicotyledonous stem
2. Which of the following would help in prevention of
diuresis ?
(1) Decrease in secretion of renin by JG cells
(2) More water reabsorption due to
undersecretion of ADH
(3) Reabsorption of Na+ and water from renal
tubules due to aldosterone
(4) Atrial natriuretic factor causes vasoconstriction
3.Which of the following statements is not
correct ?
(1) Genetically engineered insulin is produced in E-Coli.
(2) In man insulin is synthesised as a proinsulin.
(3) The proinsulin has an extra peptide called C-peptide.
(4) The functional insulin has A and B chains linkedo together by hydrogen bonds.
4.Embryological support for evolution was
disapproved by :
(1) Oparin
(2) Karl Ernst von Baer
(3) Alfred Wallace
(4) Charles Darwin
5. Goblet cells of alimentary canal are modified
from :
(1) Compound epithelial cells
(2) Squamous epithelial cells
(3) Columnar epithelial cells
(4) Chondrocytes
6. The QRS complex in a standard ECG represents:
(1) Repolarisation of ventricles
(2) Repolarisation of auricles
(3) Depolarisation of auricles
(4) Depolarisation of ventricles
7.In light reaction, plastoquinone facilitates the transfer
of electrons from :
(1) PS-I to ATP synthase
(2) PS-II to Cytb6f complex
(3) Cytb6f complex to PS-I
(4) PS-I to NADP+
8. The product(s) of reaction catalyzed by nitrogenase
in root nodules of leguminous plants is/are Nitrate alone
(4) Ammonia and oxygen
9. Match the following with respect to meiosis:
(a) Zygotene (i) Terminalization
(b) Pachytene (ii) Chiasmata
(c) Diplotene (iii) Crossing over
(d) Diakinesis (iv) Synapsis
Select the correct option from the following:
(a) (b) (c) (d)
(1) (ii) (iv) (iii) (i)
(2) (iii) (iv) (i) (ii)
(3) (iv) (iii) (ii) (i)
(4) (i) (ii) (iv) (iii)
10.Match the following columns and select the correct
option.
Column -I Column -II
(a) 6 -15 pairs of gill slits (i) Trygon
(b) Heterocercal caudal fin (ii) Cyclostomes
(c) Air Bladder. (iii) Chondrichthyes
(d) Poison sting (iv) Osteichthyes
(a) (b) (c) (d)
(1) (i) (iv) (iii) (ii)
(2) (ii) (iii) (iv) (i)
(3) (iii) (iv) (i) (ii)
(4) (iv) (ii) (iii) (i)
11. Which is the important site of formation of
glycoproteins and glycolipids in eukaryotic cells ?
(1) Polysomes
(2) Endoplasmic reticulum
(3) Peroxisomes
(4) Golgi bodies
12.Match the organism with its use in biotechnology.
(a) Bacillus (i) Cloning vector
thuringiensis
(b) Thermus (ii) Construction of
aquaticus first rDNA
molecule
(c) Agrobacterium (iii) DNApolymerase
tumefaciens
(d) Salmonella. (iv) Cry proteins
typhimurium
Select the correct option from the following:
(a) (b) (c) (d)
(1) (iii) (iv) (i) (ii)
(2) (ii) (iv) (iii) (i)
(3) (iv) (iii) (i) (ii)
(4) (iii) (ii) (iv) (i)
13. Experimental verification of the chromosomalh Theory of inheritance was done by
1) Morgan. (2) Mendel
(3) Sutton. (4) Boveri
14. Match the following :
(a) Inhibitor of catalytic. (i) Ricin
activity
(b) Possess peptide bonds. (ii) Malonate
(c) Cell wall material in (iii) Chitin
fungi
(d) Secondary metabolite (iv) Collagen
Choose the correct option from the following :
(a) (b) (c) (d)
(1) (ii) (iii) (i) (iv)
(2) (ii) (iv) (iii) (i)
(3) (iii) (i) (iv) (ii)
(4) (iii) (iv) (i) (ii)
15.Bilaterally symmetrical and acoelomate animals are exemplified by:
(1) Annelida (2) Ctenophora
(3) Platyhelminthes (4) Aschelminthes
16. Floridean starch has structure similar to:
(1) Laminarin and cellulose
(2) Starch and cellulose
(3) Amylopectin and glycogen
(4) Mannitol and algin
17. Identify the correct statement with regard to G1 phase (Gap 1) of interphase.
(1) Nuclear Division takes place.
(2) DNA synthesis or replication takes place.
(3) Reorganisation of all cell components takes place.
(4) Cell is metabolically active, grows but does note Replicate its DNA.
18. If the head of cockroach is removed, it may live for
few days because:
(1) the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body.
(2) the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.
(3) the cockroach does not have nervous system.
(4) the head holds a small proportion of a nervous System while the rest is situated along the ventral Part of its body.
19. The enzyme enterokinase helps in conversion of :
(1) pepsinogen into pepsin
(2) protein into polypeptides
(3) trypsinogen into trypsin
(4) caseinogen into casein
21. Match the following columns and select the correct
option.
Column -I Column - II
(a) Organ of Corti. (i) Connects middle
ear and pharynx
(b) Cochlea. (ii) Coiled part of the
labyrinth
(c) Eustachian tube (iii) Attached to the
oval window
(d) Stapes. (iv) Located on the
basilar
membrane
(a) (b) (c) (d)
(1) (i) (ii) (iv) (iii)
(2) (ii) (iii) (i) (iv)
(3) (iii) (i) (iv) (ii)
(4) (iv) (ii) (i) (iii)
22. Identify the wrong statement with reference to
transport of oxygen.
(1) Low pCO2 in alveoli favours the formation of
oxyhaemoglobin.
(2) Binding of oxygen with haemoglobin is mainly related to partial pressure of O2
(3) Partial pressure of CO2 can interfere with O2
binding with haemoglobin.
(4) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin.
23.In water hyacinth and water lily, pollination takes
place by :
(1) insects and water (2) insects or wind
(3) water currents only (4) wind and water
24. Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to :
(1) Insect predators (2) Insect pests
(3) Fungal diseases (4) Plant nematodes
25.Select the correct statement.
(1) Insulin is associated with hyperglycemia.
(2) Glucocorticoids stimulate gluconeogenesis.
(3) Glucagon is associated with hypoglycemia.
(4) Insulin acts on pancreatic cells and adipocytes.
26.Identify the basic amino acid from the following.
(1) Valine (2) Tyrosine
(3) Glutamic Acid (4) Lysine
27. Flippers of Penguins and Dolphins are examples of:
(1) Natural selection
(2) Adaptive radiation
(3) Convergent evolution
(4) Industrial melanism
28.From his experiments, S.L. Miller produced amino
acids by mixing the following in a closed flask :
(1) CH3, H2, NH3 and water vapor at 600°C
(2) CH4, H2, NH3 and water vapor at 800°C
(3) CH3, H2, NH4 and water vapor at 800°C
(4) CH4, H2, NH3 and water vapor at 600°C
29.The specific palindromic sequence which is
recognized by EcoRI is :
(1) 5' - GGATCC - 3'
3' - CCTAGG - 5'
(2) 5' - GAATTC - 3'
3' - CTTAAG - 5'
(3) 5' - GGAACC - 3'
3' - CCTTGG - 5'
(4) 5' - CTTAAG - 3'
3' - GAATTC - 5'
30.Secondary metabolites such as nicotine, strychninen And caffeine are produced by plants for their :
(1) Effect on reproduction
(2) Nutritive value
(3) Growth response
4) Defence Action
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