List of top Biology Questions

Which one of the following pairs of an animal and a plant represents endangered organisms in India -
Long filamentous threads protruding at the end of a young cob of maize are:
Which one of the following is not used for construction of ecological pyramids?
What type of placentation is seen in sweet pea?
In photosystem-I, the first electron acceptor is :
Which one of the following is not included under in situ conservation?
Pentamerous, actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit a capsule or berry, are characteristic features of:
In a cereal grain the single cotyledon of embryo is represented by-
In a moss, the sporophyte-
An enzyme that can stimulate germination of barley seeds is:
During photorespiration, the oxygen consuming reaction(s) occur in:
Which one of the following is the correctly matched pair of an endangered animal and a National Park?
How does pruning help in making the hedge dense ?
Prothallus is
Which of the following pairs of an animal and a plant represents endangered organisms in India?
Which of the following is considered a hot-spot of biodiversity in India?
Parthenocarpic tomato fruits can be produced by:
How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 Kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 Kcal ?
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste water into natural surface water, is:
What type of placentation is seen in sweet pea?
Guttation is the result of :
Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:
In maize, hybrid vigour is exploited by:
Crop plants grown in monoculture are:
Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of-