NEET TEST SERIES 97 BIOLOGY

1. Which part of the kidney is impermeable to electrolytes?

a) Proximal convoluted tubule
b) Distal convoluted tubule
c) Ascending loop of Henle
d) Descending loop of Henle

2. Ilium is a part of

a) Pelvic girdle
b) Pectoral girdle
c) Skull
d) Sternum

3. Acidic pH of muscles is due to

a) Lactic acid
b) Ketone
c) O₂
d) Argine

4. Which of the following is not a characteristic of sponges?

a) Diploblastic
b) Aquatic
c) Connecting link between living and non-living
d) Body has pores

5. Which of the following helps Taenia solium in osmoregulation?

a) Comb plates
b) Parapodia
c) Flame cells
d) Nephridia

6. Which of the following is incorrectly matched?

a) Cnidoblasts – Coelenterates
b) Gastro vascular cavity – Echinoderms
c) Parapodia – Annelids
d) Metameric segmentation – Arthropods

7. Omnis cellula-e cellula was given by

a) Lamarck
b) Dutrochet
c) Leeuwenhoek
d) Virchow

8. In which type of culture, the nutrients and microbes are added in closed chamber and not replaced continuously?

a) Batch culture
b) Continuous culture
c) Full culture
d) Period culture

9. Match the following:
1. Extension –             i) 95⁰C
2. Denaturation –     ii) 50⁰C
3. Annealing –          iii) 72⁰C

Options:
a) 1-ii, 2-iii, 3-I
b) 1-iii, 2- i, 3-ii
c) 1-iii, 2-ii, 3-I
d) 1-ii, 2-i, 3- iii

10. Agrobacterium tumefaciens is able to deliver a piece of DNA to transform normal plant cell. Here, a piece of DNA is

a) R-DNA
b) Z-DNA
c) T-DNA
d) Ti-DNA

11. If a plasmid vector is digested with EcoR1 at a single site, then

a) Four sticky ends will be produced
b) One sticky ends will be produced
c) Two sticky ends will be produced
d) One blunt end will be produced

12. Bt corn has been made resistant from corn borer disease by introduction of the gene

a) cryIIA
b) cryIAc
c) cryIIAc
d) cryIAb

13. RNA interference involves

a) Silencing of specific mRNA due to complementary RNA
b) Interference of RNA in synthesis of DNA
c) Silencing of tRNA due to complementary RNA
d) Synthesis of mRNA from DNA

14. Which of the following are GMO?
I. Golden rice          II. Flavr savr
III. Bell peppers     IV. Poplar trees

Options:
a) I, II , III
b) IV only
c) I, II, IV
d) II, III, IV

15. Select the correct option for the production of Humulin.
i. Introduction of recombinant plasmid into E.coli
ii. Artificial synthesis of human insulin gene
iii. Purification of Humulin
iv. Culturing recombinant E.coli
v. Extraction of recombinant gene product from E.coli
vi. Insertion of human insulin gene into plasmid

Options:
a) II, VI, I, IV, V, III
b) I, IV, V, III, II, VI
c) II, IV, VI, I, III, V
d) I, V, VI, III, II, IV

16. Which of the following is used as bioweapon?

a) Escherichia coli
b) Clostridium botulinum
c) Agrobacterium tumefaciens
d) Bacillus thuringiensis

17. Which is not chief objectives of transgenic cattle production?

a) Increased meat or milk production
b) Molecular farming
c) Improved coat quality
d) Regulate milk content

18. Select the correct match.

a) Primata- Order
b) musca- species
c) Tigris- Genus
d) Arthropoda- Class

19. The exchange of materials between blood and interstitial fluid is by

a) NArterioles
b) Capillaries
c) Veins
d) Arteries

20. Pulmonary artery is different from pulmonary vein in

a) Presence of valves
b) Absence of endothelium
c) Its broad lumen
d) Its thick wall