NEET EXAM ( EM ) ONLINE TEST - 6

1.

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

Sex ratio

Natality

Mortality

Species interaction

2.

The process of growth is maximum during

Log phase

Lag phase

Senescence

Dormancy

3.

The roots that originate from the base of the stem are

Fibrous roots

Primary roots

Prop roots

Lateral roots

4.

Match the following

Typhoid - (i) Wuchereria

Pneumonia - (ii) Plasmodium

Filariasis - (iii)Salmonella

Malaria - (iv) Haemophilus

1 3 2 4

3 4 1 2

2 1 3 4

4 1 2 3

5.

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

ZIFT and IUT

GIFT and ZIFT

ICSI and ZIFT

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

A person will have only two of the three alleles.

When IA and IB are present together, they express same type of sugar.

Allele ‘i’ does not produce any sugar.

7.

Choose the correct pair from the following

Ligases - Join the two DNAmolecules

Polymerases - Break the DNA intofragments

Nucleases - Separate the twostrands of DNA

Exonucleases - Make cuts at specificpositions within DNA

8.

Select the correct match

Haemophilia – Y linked

Phenylketonuria – Autosomal dominant trait

Sickle cell anaemia – Autosomal recessive trait, chromosome-11

Thalassemia – X linked

9.

Match the following

Gregarious, - (i) Asterias polyphagous pest

Adult with radial - (ii) Scorpion symmetry and larva with bilateral symmetry

Book lungs - (iii) Ctenoplana

Bioluminescence - (iv) Locusta

(i) (iii) (ii) (iv)

(iv) (i) (ii) (iii)

(iii) (ii) (i) (iv)

(ii) (i) (iii) (iv)

10.

The infectious stage of Plasmodium that enters the human body is

Trophozoites

Sporozoites

Female gametocytes

Male gametocytes

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