Q.41)-Which of the following plant pigments absorbs in red and far-red region of light
- Carotenoid
- Chlorophyil
- Phytochrome
- Cryptochrome
Q.42)-The process through which excess of light energy is dissipated in photosynthesis is known as
- Quenching
- Scavenging
- Photolysis
- Photophosphorylation
Q.43)-Wilting of plants occurs due to excessive
- Respiration
- Guttation
- Absorption
- Traspiration
Q.44)-Which of the following three R's are regarded as environment friendly
- Reduce, Rebuild, Restrict
- Random, Reduce, Recall
- Read, Register, Recall
- Reduce, Reuse, Recyle
Q.45)-Cholorophyll containing autorophic thallophytes is called as
- Algae
- Lichens
- Fungi
- Bryophytes
Q.46)-Table sugar is which type of sugar
- Frutose
- Galactose
- Glucose
- surcose
Q.47)-Cholorophyil contains
- Iron
- Magnesium
- Cobalt
- Zinc
Q.48)-Gydroponics is a method of culture of plants without using
- Water
- Light
- Sand
- Soil
Q.49)-Self pollination will lead of
- Inbreeding
- Rare breeding
- Over breeding
- Out breeding
Q.50)-Flowers emit fragrance to
- Purify air
- Drive away flies
- Attract insects
- Perform all the above
