(Papers) National Eligibility cum Entrance Test (NEET-UG) : 2020 (English)

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(Papers) National Eligibility cum Entrance Test (NEET-UG) : 2020 (English)

1. Which of the following is not an attribute of a population ?

(1) Sex ratio
(2) Natality
(3) Mortality
(4) Species interaction

2. The process of growth is maximum during :

(1) Log phase
(2) Lag phase
(3) Senescence
(4) Dormancy

3. The roots that originate from the base of the stem are :

(1) Fibrous roots
(2) Primary roots
(3) Prop roots
(4) Lateral roots

4. Match the following diseases with the causative organism and select the correct option.

Column - I Column - II
(a) Typhoid (i) Wuchereria
(b) Pneumonia (ii) Plasmodium
(c) Filariasis (iii) Salmonella
(d) Malaria (iv) Haemophilus
(a) (b) (c) (d)
(1) (i) (iii) (ii) (iv)
(2) (iii) (iv) (i) (ii)
(3) (ii) (i) (iii) (iv)
(4) (iv) (i) (ii) (iii)

5. In which of the following techniques, the embryos are transferred to assist those females who cannot conceive ?

(1) ZIFT and IUT
(2) GIFT and ZIFT
(3) ICSI and ZIFT
(4) GIFT and ICSI

6. Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups.

(1) The gene (I) has three alleles.
(2) A person will have only two of the three alleles.
(3) When IA and IB are present together, they express same type of sugar.
(4) Allele ‘i’ does not produce any sugar.

7. Choose the correct pair from the following :

(1) Ligases - Join the two DNA molecules
(2) Polymerases - Break the DNA into fragments
(3) Nucleases - Separate the two strands of DNA
(4) Exonucleases - Make cuts at specific positions within DNA

8. Select the correct match.

(1) Haemophilia - Y linked
(2) Phenylketonuria - Autosomal dominant trait
(3) Sickle cell anaemia - Autosomal recessive trait,chromosome-11
(4) Thalassemia - X linked

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

Column - I Column - II

(a) Gregarious, polyphagous (i) Asterias pest
(b) Adult with radial (ii) Scorpion symmetry and larva with bilateral symmetry
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
(a) (b) (c) (d)
(1) (i) (iii) (ii) (iv)
(2) (iv) (i) (ii) (iii)
(3) (iii) (ii) (i) (iv)
(4) (ii) (i) (iii) (iv)