List of top Biology Questions

Study of pollen grains is called

Strobilanthus kunthiana produces flowers once in every

Study of human evolution is called

Stirrup-shaped bone of the middle ear is

Sterilisation techniques are generally fool proof methods of contraception with least side effects. Yet, this is the last option for the couples because (i) it is almost irreversible (ii) of the misconception that it will reduce sexual urge/ drive (iii) it is'a surgical procedure (iv) of lack of sufficient facilities in many parts of the country. Choose the correct option.

Statement A : For a particular character in an individual, each gamete gets only one allele. Statement B : Chromatids of a chromosome split (separate) and move towards opposite poles during anaphase of mitosis.

Starting from the innermost part, the correct sequence of parts in an ovule are

Staminate flowers produce

Splitting of water is associated with

Spore dispersal in slime moulds is with the help of

Spot the odd one out from the following structures with reference to the male reproductive system.

Spines present on the areoles of Opuntia represent

Splint bones of horse are vestigial

Spermiation is the process of the release of sperms from

Spadix inflorescence occurs in

Sonalika and Kalyan Sona are varieties of

Soil erosion producing finger-like narrow depressions is called

Solenocytes and metanephridia are excretory organs of

Sodium-potassium pump transports

Smallest flower is

Skull of man is

Sexual reproduction in fungi occurs by all of the following except

'Sex ratio' means

Sexual reproduction in fungi is carried out by the fusion of compatible nuclei from two parents at a definite stage in the life cycle. Identify the different types of sexual reproduction occurring in fungi from the given figures and select the correct option.

Seminal plasma, the fluid part of semen, is contributed by (i) seminal vesicle (ii) prostate (iii) urethra (iv) bulbourethral gland