Biology

Question 1

Gymnodinium is a

Answer 1

Dinoflagellate

Question 2

Oldest layer of phloem lies

Answer 2

Just inner to pericycle

Question 3

Duplication of most cell organelles takes place in

Answer 3

G1 phase

Question 4

Duplication of centrioles takes place in

Answer 4

S phase

Question 5

Synthesis of tubulin protein takes place in

Answer 5

G2 phase

Question 6

Catalase enzyme is activated by

Answer 6

Iron

Question 7

Enzyme of krebs cycle not found in mitochondrial matrix

Answer 7

Succinate dehydrogenase

Question 8

In over 60% angiosperms

Answer 8

Pollen is shed at 2 celled stage

Question 9

Pusa swarnim is

Answer 9

White rust resistant variety of brassica

Question 10

Systematics is

Answer 10

Taxonomy + Phylogenetic relationships

Question 11

W.M. Stanley

Answer 11

Crystallized virus and showed that crystals are largely made up of proteins

Question 12

Female gametophyte of gymnosperms is called

Answer 12

Endosperm

Question 13

Belladona family

Answer 13

Solanaceae

Question 14

Pseudo-vacuoles are found in

Answer 14

Prokaryotic cell

Question 15

VNTR belongs to a class of satellite DNA referred to as

Answer 15

Minisatellite

Question 16

Regulation of lac operon by repressor is referred to as

Answer 16

Negative regulation

Question 17

In mung bean, resistance to yellow mosaic virus is induced by

Answer 17

Mutation breeding

Question 18

Natural aging of lake by biological enrichment of its water is

Answer 18

Eutrophication

Question 19

Contraceptive method which has least failure rate

Answer 19

Implants

Question 20

Genital warts are caused by

Answer 20

Human papilloma virus

Question 21

HIV infection is confirmed by

Answer 21

Western blot test

Question 22

Respiratory organ of prawn

Answer 22

Gills

Question 23

Type of larva of Nereis

Answer 23

Trochophore larva

Question 24

The production of uric acid is enhanced by the excessive metabolism of

Answer 24

Nucleic acid - Purine metabolism contributes to uric acid formation

Question 25

In myocardial infarction, ST segment is

Answer 25

Elevated

Question 26

The joint between prezygapophysis and post zygapophysis of adjacent vertebrae is

Answer 26

Cartilaginous joint

Question 27

6th cranial nerve

Answer 27

Abducens nerve

Question 28

Auerbach’s plexus is present in

Answer 28

Muscularis layer of intestine ( between the inner circular and outer longitudinal muscles)

Question 29

Uricose gland is present in

Answer 29

Only in male cockroach

Question 30

Total number of spiracles present in abdomen of cockroach

Answer 30

8 pairs of spiracles are present in abdomen of cockroach, 2 pairs are present in the thoracic region

Question 31

Enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds belong to

Answer 31

Lyases

Question 32

Serosa is made up of

Answer 32

Thin mesothelium with some connective tissue

Question 33

Sensory spot of ampulla responsible for maintenance of dynamic balance of body and posture

Answer 33

Crista (present in semicircular canal)

Question 34

Mimicry and protective coloration favours

Answer 34

Natural selection theory

Question 35

Cro magnon man is AKA

Answer 35

Homo sapiens Fossilis

Question 36

Lymph differs from serum in having

Answer 36

WBCs (Lymph lacks RBCs. Immunoglobulins are present in lymph and serum)