Question

Sir: Plants absorb dissolved nitrates from soil and convert them into :
1) Free nitrogen
2) Urea
3) Proteins
4) Ammonia
Plants synthesis protein from
1) Starch
2) Sugar
3) Fatty acids
4) Amino acids
Photosynthesis generally takes place in which parts of the plant?
1) Steam and leaf
2) Leaf and other chloroplast bearing plants
3) Bark and leaf
4) Roots and chloroplast bearing plants
Sir: The disease caused by deficiency of protein in children is called
1) Pellagra
2) Marasmus
3) Beri-Beri
4) Rickets
Plants receive their nutrients mainly from ?
1) atmosphere
2) chlorophyll
3) light
4) soil
What is Pollination ?
1) germination of pollen grains
2) growth of pollen tube in ovule
3) transfer of pollen from anther to stigma
4) visiting flowers by insects Which of the following explains the reason why there is no total eclipse of the sun?

1) Size of the earth in relation to that of moon

2) Orbit of moon around earth

3) Direction of rotation of earth around sun

4) Area of the sun covered by the moon
Which of the following layers make radio transmission possible?

1) Troposphere

2) Ionosphere

3) Mesosphere

4) Stratospher
Orbital period of the planet Mercury around the sun is:

1) 88 days

2) 365 days

3) 2 years

4) 98 days
Which of the following is most elastic ?

1) Steel

2) Rubber

3) Glass

4) Sponge
Bronze is an alloy of:

1) Copper and Zinc

2) Tin and Zinc

3) Copper and Tin

4) Iron and Zinc
Sir: Hygrometer is used for measuring the:

1) Speed of sound

2) Density of milk

3) Humidity of air

4) Specific gravity of liquids
Dry ice is:

1) Methane hydrate

2) Liquid Nitrogen

3) Solid Carbon dioxide

4) Frozen Water​

Answer 1

Answer:

Q1.Free nitrogen

Q2.Starch

Q3.Steam and leaf

Q4.Beri Beri

Q5.Soil

Q6.Transfer of pollen grains from anther to stigma

Q7.Orbit of moon around the Earth

Q8.Troposphere

Q9.88 Days

Q10.Sponge

Q11.Copper and Zinc

Q12.Specific gravity of liquids (not sure)

Q13.Solid CO2