BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM 2

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM

1. The nucleic acid that silences specific mRNA of nematode Meloidogyne incognita is

a. ss RNA
b. ds RNA
c. ss DNA
d. ds DNA

ans. b

2. The most powerful tool/ technique used to identify genetic disorders is

a. Polymerase chain reaction
b. ELISA
c. DNA fingerprinting
d. RNA interference

ans. a

3. Which part of the flower becomes non-functional in transgenic Brassica napus plant?

a. Calyx
b. Corolla
c. Androecium
d. Gynoecium

ans. c

4. The school of Cytogenetics and Radiation Research is established in

a. NBRI
b. IARI
c. ICAR
d. BSI

ans. b

5. The white rust resistant variety of brassica developed by plant breeding is

a. Himgiri
b. Pusa Swarnim
c. Pusa Shubra
d. Pusa Komal

ans. b

6. Pusa Sadabahar is a mosaic virus-free variety of

a. Wheat
b. Brassica
c. Cauliflower
d. Chillie

ans. d

7. Pusa Sem 2 and Pusa Sem 3 varieties of flat beans are resistant to

a. Jassids
b. Aphids
c. Fruit Borer
d. All the above

ans. d

8. Which of the following pair of characters prevent bollworm infestation in cotton

a. smooth leaved and nectar containing cotton plants
b. smooth leaved and nectarless cotton plants
c. hairy leaved and nectar containing cotton plants
d. hairy leaved and nectarless cotton plants

ans. b

9. The free-living fungus very common in root ecosystem is

a. Alternaria species
b. Phytopthora species
c. Trichoderma species
d. Puccinia species

ans. c

10. The enzyme known to prevent heart attacks is

a. Streptokinase
b. Cyclosporin A
c. Lipase
d. Protease

ans. a