Biology

Infectious proteins are present in:

Infectious proteins are present in: Options (a) Gemini viruses (b) Prions (c) Viroids (d) Satellite viruses Correct Answer: PrionsExplanation:Infections proteins…

Down’s syndrome in humans is due to

Down's syndrome in humans is due to Options (a) Two 'Y' chromosomes (b) Three 'X' chromosomes (c) Three copies of…

Bowman’s glands are located in the

Bowman's glands are located in the Options (a) anterior pituitary (b) female reproductive system of cockroach (c) olfactory epithelium of…

Age of a tree can be estimated by :

Age of a tree can be estimated by : Options (a) biomass (b) number of annual rings (c) diameter of…

Seed coat is not thin, mebranous in:

Seed coat is not thin, mebranous in: Options (a) Coconut (b) Groundnut (c) Gram (d) maize Correct Answer: CoconutExplanation:The seed…

Perisperm differs from endosperm in:

Perisperm differs from endosperm in: Options (a) having no reserve food (b) being a diploid tissue (c) its formatting by…

In barley stem vascular bundles are:

In barley stem vascular bundles are: Options (a) closed and scattered (b) open and in a ring (c) closed and…

Cymose inflorescence is present in :

Cymose inflorescence is present in : Options (a) Solanum (b) Sesbania (c) Trifolium (d) Brassica Correct Answer: SolanumExplanation:Cymose infloresence in…

An example of axile placentation is:

An example of axile placentation is: Options (a) Dianthus (b) Lemon (c) Marigold (d) Argemone Correct Answer: Lemon Explanation: An…

Vernalization stimulates flowering in

Vernalization stimulates flowering in Options (a) zamikand (b) turmeric (c) carrot (d) ginger Correct Answer: carrot Explanation: Carrot is a…