Biology Test Preparation (Medical) : Part 1

Test Preparation on Biology Test Preparation (Medical) : Part 1

1.

Populations are said to be sympatric when _______.

1two populations are physically isolated by natural barriers.
2two populations live together and freely interbreed to produce sterile offspring.
3two populations share the same environment but cannot interbreed.
4two populations are isolated but occassionally come together to interbreed.

2.

Populations are said to be allopatric when ________.

1they are physically isolated by natural barriers
2they live together and breed freely to produce viable offspring
3they are isolated but often come together for breeding
4none of the above

3.

Polyploid derived from two different species is called

1Autopolyploid
2Triploid
3Allopolyploid
4Monoploid

4.

Pollen grains of a plant whose 2n = 28 are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?

121
214
356
428

5.

Pieces of plant tissue used in tissue culture is called

1Explant
2Somaclone
3Inoculant
4Clone

Check your progress:


Right Ans	Wrong Ans	Not Attempted

Prev Question Next Question Show Answer