List of top Biology Questions asked in KEAM

Calcium metabolism in birds gets disturbed due to the effect of:

Select the wrong statement:

Select the matched ones:

Which of the following statements regarding food chain is false?

Which of the following statements are true/false. (a) In Torpedo the electric organs are capable of generating strong electric shock to paralyze the prety . (b) Bony fishes use pectoral , pelvic, dorsal, anal and caudal fins in swimming (c) Amphibian skin is moist and has thick scales (d) Birds are poikilothermous animals (e) The most unique mammalian characteristic is the presence of milk producing mammary glands by which the young ones are nourished

Select the false statement

Red rot of sugarcane and white rust of radish are respectively caused by

Which of the following statements is true ?

Which of the following is a pseudocoelomate animal ?

A typical value of resting membrane potential is

Black-foot disease is caused due to groundwater contaminated with excess of

Bacteria which reduce nitrates in soil to nitrogen are

Which one of these is an in situ method of conservation ?

Identify in order, the plants showing alternate, opposite and whorled phyllotaxy

Drupes are called stony fruits because they have

Neoteny refers to

A list of animals is given below. Identify the animals with open circulatory system and choose the correct answer. (a) Ascidia (b) Cockroach (c) Earthworm (d) Prawn (e) Silverfish (f) Snail (g) Squid.

"Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually with parasitic forms". The above description is characteristic of phylum

The transition zone between two communities is known as

Of the following the one which is example of buffer system in blood is

Removal of introns and joining of exons in a defined order during transcription is called

Bacteria and fungi in a forest ecosystem are generally

The minerals involved in water splitting reaction during photosynthesis are :

The process in which haploid embryo is formed from haploid egg without fertilization is called

Which of the following is modification of leaf?