BIOLOGY INSIGHT

1. Photosynthesis generally takes place in which parts of the plant?

A. Leaf and other chloroplast bearing parts

B. stem and leaf

C. Roots and chloroplast bearing parts

D. Bark and leaf

2. Most fish do not sink in water because of the presence of

swim bladder

air bladder

air sacs

air in spongy bones

A. I and II are correct

B. II and III are correct

C. III and IV are correct

D. I, II, III and IV are correct

3. Plants synthesis protein from

A. starch

B. sugar

C. amino acids

D. fatty acids

4. Plants absorb dissolved nitrates from soil and convert them into

A. free nitrogen

B. urea

C. ammonia

D. proteins

5. Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with

A. all gymnosperms, except conifers

B. only angiosperms

C. only conifers

D. angiosperms and all gymnosperms except conifers

6. One of the following is not a function of bones.

A. Place for muscle attachment

B. Protection of vital organs

C. Secretion of hormones for calcium regulation in blood and bones

D. Production of blood corpuscles

ANSWERS :

1. Answer: Option A