TNPSC Group 4 Biology Model Question Paper 2019-2020 - 3

Question: 11

Octopus is a

(A) Hemicordet

(B) Soften layer or membrane

(C) Soften skin

(D) Joint limb

Question: 12

What are cold-blooded animals?

(A) Animals with blood without haemoglobin

(B) Animals who are not ferocious

(C) Animals whose body temperature varies according to the temperature of atmosphere

(D) Animals whose body temperature remains constant

Question: 13

Wisdom teeth normally grow during the age of

(A) 13-15 years

(B) 17-30 years

(C) 35-40 years

(D) 40-45 years

Question: 14

Which of the following has been found useful in keeping cholesterol level down?

(A) Serpentina

(B) Turmeric

(C) Tulsi

(D) Garlic

Question: 15

Chromosomes are

(A) visible in all cells at every time

(B) made up of DNA as a main component

(C) the biggest in number in human cells

(D) present only in the nucleus of a cell