List of top Biology Questions

Treatment of seed at low temperature under moist conditions to break its dormancy called

Pineapple (ananas) fruit develops from:

Peat moss is used as a packing material for sending flowers and live plants to distant places because

Which of the following statements regarding mitochondrial membrane is not correct?

Maximum amount of oxygen is exchanged from the blood in the

Moss peat is used as a packing material for sending flowers and live plants to distant places because:

Two microbes found to be very useful in genetic engineering are-

A common structural feature of vessel elements and sieve tube elements is:

Pineapple (ananas) fruit develops from-

Triticale, the first man-made cereal crop, has been obtained by crossing wheat with :

Conifers differ from grasses in the-

What type of placentation is seen in sweet pea?

Sulphur is an important nutrient for optimum growth and productivity in:

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?

In a moss, the sporophyte-

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-

An enzyme that can stimulate germination of barley seeds is:

How does pruning help in making the hedge dense ?

During photorespiration, the oxygen consuming reaction(s) occur in:

Prothallus is