Home » Quizzes » A&R Quiz- Biology (Day-4)

A&R Quiz- Biology (Day-4)

Update on: 15 Mar 2019, 10:40 AM

0%

ASSERTION : Insulin chain B and C are produced separately in E.coli and then combined by disulphide bonds. REASON : Insulin chain A is not present in the mature insulin.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the roots of all cereal and pulse crops. REASON : A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the crop with which the bacterium is associated.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Intraspecific competition is always more acute than interspecific one. REASON : Intraspecific competition controls the size of population.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Lichens and mosses are said to form the pioneer community in xerarch succession. REASON : Other species get established later, during the course of succession.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. REASON : Presence of nutrient in water body is due to biomagnification.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Presence of pneumatophores is a special adaptation of hydrophytes. REASON : Pneumatophores are positively geotropic shoots that have lenticels and help in gaseous exchange.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : In angiosperms the conduction of water is more efficient because their xylem has vessels. REASON : Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Blood in cockroach is colourless haemolymph with no respiratory pigment. REASON : Respiration in cockroach occurs through diffusion in haemolymph.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Enzymes lower the activation energy. REASON : A substrate molecule can be acted upon by a particular enzyme.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : In mitosis each replication cycle of DNA is followed by one cell division. REASON : In meiosis one replication cycle of DNA is followed by two divisions.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

A&R Quiz- Biology (Day-4)

Read more.

Good

Excellent