top of page
Chart & Stethoscope

BIOLOGY NEET - 2020
SOLUTIONS

Q46. By which method was a new breed ‘Hisardale’ of sheep formed by using Bikaneri ewes and Marino rams?

1. Out crossing

2. Mutational breeding

3. Cross breeding

4. Inbreeding

3. Cross breeding

View solution

Q47. Identify the correct statement with reference to human digestive system.

1. Ileum opens into small intestine

2. Serosa is the innermost layer of the alimentary canal

3. Ileum is a highly coiled part

4. Vermiform appendix arises from duodenum

3. Ileum is a highly coiled part

View solution

Q48. Match the following columns and select the correct option.

Column-I
(a) Clostridium butylicum
(b) Trichoderma polysporum
(c) Monascus Purpureus
(d) Aspergillus niger

Column-II
(i) Cyclosporin-A
(ii) Butyric Acid
(iii) Citric Acid
(iv) Blood cholesterol lowering agent

1. a(iii) b(iv) c(ii) d(i)

2. a(ii) b(i) c(iv) d(iii)

3. a(i) b(ii) c(iv) d(iii)

4. a(iv) b(iii) c(ii) d(i)

2. a(ii) b(i) c(iv) d(iii)

View solution

Q49. Presence of which of the following conditions in urine are indicative of Diabetes Mellitus?

1. Uremia and Ketonuria

2. Uremia and Renal Calculi

3. Ketonuria and Glycosuria

4. Renal calculi and Hyperglycaemia

3. Ketonuria and Glycosuria

View solution

Q50. Floridean starch has structure similar to

1. Starch and cellulose

2. Amylopectin and glycogen

3. Mannitol and algin

4. Laminarin and cellulose

2. Amylopectin and glycogen

View solution

Q51. Select the option including all sexually transmitted diseases.

1. Gonorrhoea, Syphilis, Genital herpes

2. Gonorrhoea, Malaria, Genital herpes

3. AIDS, Malaria, Filaria

4. Cancer, AIDS, Syphilis

1. Gonorrhoea, Syphilis, Genital herpes

View solution

Q52. Match the following with respect to meiosis

Column-I
a. Zygotene
b. Pachytene
c. Diplotene
d. Diakinesis

Column-II
i. Terminalization
ii. Chiasmata
iii. Crossing over
iv. Synapsis

1. a(iii) b(iv) c(i) d(ii)

2. a(iv) b(iii) c(ii) d(i)

3. a(i) b(ii) c(iv) d(iii)

4. a(ii) b(iv) c(iii) d(i)

2. a(iv) b(iii) c(ii) d(i)

View solution

Q53. Which of the following pairs is of unicellular algae?

1. Laminaria and Sargassum

2. Gelidium and Gracilaria

3. Anabaena and Volvox

4. Chlorella and Spirulina

4. Chlorella and Spirulina

View solution

Q54. Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?

1. High concentration of Estrogen

2. High concentration of Progesterone

3. Low concentration of LH

4. Low concentration of FSH

1. High concentration of Estrogen

View solution

Q55. Match the following columns and select the correct option.

Column-I
a. Bt cotton
b. Adenosone deaminase deficiency
c. RNAi
d. PCR

Column-II
i. Gene therapy
ii. Cellular defense
iii. Detection of HIV infection
iv. Bacillus thuringiensis

1. a(iv) b(i) c(ii) d(iii)

2. a(iii) b(ii) c(i) d(iv)

3. a(ii) b(iii) c(iv) d(i)

4. a(i) b(ii) c(iii) d(iv)

1. a(iv) b(i) c(ii) d(iii)

View solution

Q56. Montreal Protocol was signed in 1987 for control of

1. Transport of Genetically modified organisms from one country to another

2. Emission of ozone-depleting substances

3. Release of Green House gases

4. Disposal of e-wastes