2021 MCQ's

Question 1

Solution having low concentration as compared to the cell sap is a _____ solution.

Answer 1

Solution having low concentration as compared to the cell sap is a hypertonic solution.

Question 2

In terms of number of chromosomes, the endosperm of send is:

Answer 2

In terms of number of chromosomes, the endosperm of send is Tripoid.

Question 3

the best soil for plant growth is

Answer 3

Loam

Question 4

During the process the translation, cells use this to make protein.

Answer 4

RNA

Question 5

Total aggregation of gene in a population is called

Answer 5

Gene pool

Question 6

A cell division without spindle is

Answer 6

A mitosis

Question 7

This biome is called the “bread basket” of the world

Answer 7

Grass Land

Question 8

During the stage of mitosis chromosomes arrange on equatorial plate:

Answer 8

Metaphase

Question 9

The genetic makeup of any individual is called

Answer 9

genotype

Question 10

These tissues are commonly known as conducting tissue:

Answer 10

Vascular tissues

Question 11

Two polynucleotide chains of DNA are apart from each other by:

Answer 11

20* A

Question 12

Meristem responsible for secondary growth:

Answer 12

Lateral

Question 13

This group of plants is found in soil of high salt concentration:

Answer 13

Halophytes

Question 14

The breakdown of rocks due to environmental action is called:

Answer 14

Weathering

Question 15

Germination of seed inside the fruit is called:

Answer 15

viviparous

Question 16

The producer of a pond ecosystem is:

Answer 16

phytoplankton

Question 17

At high temperature plants produce these to preserve enzymes:

Answer 17

Heat shock proteins

Question 18

the two chromatids of the same chromosomes are called:

Answer 18

Sister chromatid

Question 19

Movement of plant unrelated to the direction of stimuli is known as:

Answer 19

Nastic

Question 20

This codon is start codon:

Answer 20

AUG