Biology – Class 11 Mock Test 4

10%

Question 1 of 10

1. Cells are the structural unit of life and all the organisms are made of cells.

True

False

Question 1 of 10

Question 2 of 10

2. What is the percentage weight of carbon in the earth’s crust?

0.01

0.14

0.3

0.03

Question 2 of 10

Question 3 of 10

3. Which of these is a secondary metabolite?

Proteins

Vitamins

Steroids

Lipids

Question 3 of 10

Question 4 of 10

4. Which of these is a common component of both algal and plant cell wall?

Cellulose

Galactan

Pectin

Mannan

Question 4 of 10

Question 5 of 10

5. What are anthocyanins?

Toxin

Alkaloid

Drug

Pigment

Question 5 of 10

Question 6 of 10

6. Which of these is an amino acid with pH less than 7?

Glutamic acid

Lysine

Histidine

Valine

Question 6 of 10

Question 7 of 10

7. Which of these is not a basic shape of bacteria?

Coccus

Spirillum

Triangular

Vibrio

Question 7 of 10

Question 8 of 10

8. Gram negative bacteria take up gram strain. True or false?

True

False

Question 8 of 10

Question 9 of 10

9. Which of these statements is true with respect to frog?

They are herbivores

They do not play a part in ecological balance

Legs of frogs can be eaten

They are pests for agricultural crop

Question 9 of 10

Question 10 of 10

10. Which among the following is not correct about Golgi apparatus?

The membrane bound containers which appear dense in the cytoplasm are called vesicles

Golgi apparatus is freely distributed in animal cells and in plants fluid filled sac like structures called cisternae that pile parallel to each other to form Golgi bodies

There are three main components, namely, cisternae, tubules and vesicles

They are absent in RBCs, sperm cell of Pteridophytes and Bryophytes

Question 10 of 10