The optimum temperature for photosynthesis is
10oC - 20oC
20oc - 30oc
30oc - 40oc
40oC - 50oC
_______ helps in maintaining body temperature.
Water
Roughage
Vitamins
Minerals
Name the vitamin rich in sour fruits like lemon, orange, (citrus fruits) and amla.
Vitamin A
Vitamin B
Vitamin C
Vitamin D
The starters of a food chain.
Herbivores
Green plants
Carnivores
Omnivores
__________ are rich sources of iodine.
Pulses
Cereals
Sea foods
Eggs
Stomata opens when the guard cells are _________ and closes when they are ____________.
Flaccid, turgid
Turgid, flaccid
Opened, closed
Closed, opened
______ and _____ are the main product and byproduct of photosynthesis respectively.
Oxygen, glucose
Glycogen, oxygen
Glucose, oxygen
Glucose, carbondioxide
The rate of photosynthesis is increased in
Red- green light of the spectrum
Blue- green light of the spectrum
Yellow - orange light of the spectrum
red - blue light of the spectrum
Saprophytes feed on organic matter by breaking down them into simpler and soluble substances using ______.
Enzymes.
Hormones.
Chemicals.
Glucose.
Heterotrophic organisms include
Plants only.
Animals only.
Plants or animals.
Plants, animals and micro organisms.