Science Quiz Based on NCERT

'Plants and Living Organisms'

1. Green plants are:

A. herbivores

B. autotrophs

C. hetrotrophs

D. omnivores

2. The tiny pores present in the leaves of the plants for exchange of gases are called _____

A. Stomata 

B. Tracheae 

C. Chloroplast 

D. Spiracles

3. Rhizobium is an example of

A. Symbiosis

B. Parasites

C. Insectivorous

D. none of these

4. Which part of the plant gets carbon dioxide from the air for photosynthesis?

A. root hair 

B. stomata 

C. leaf veins 

D. sepals

5. Iodine used to detect presence of starch. It gives starch  

A. red colour

B. green colour

C. blue-black colour

D. colourless appearance

6. Amarbel (Cuscuta) is an example of:

A. autotroph 

B. parasite 

C. saprotroph 

D. host

7. The plant which traps and feeds on insects is:

A. cuscuta 

B. china rose 

C. pitcher plant 

D. rose

8.  Green plants use which of the following to prepare food?

A. Carnon DiOxide

B. Sunlight

C. Water

D. All of these

9. Which of the following statements is NOT true?

A. Heterotrophs cannot prepare their own food.

B. Dodder is an example of parasite.

C. Saprophytes are green.

D. Pulses and Beans are legumes.

10.The main function of a leaf is:

A. To prepare food 

B. To prevent disease

C. To support the plant 

D. To give a proper shape

Answers will be available later