List of practice Questions

Largest phylum in terms of number of members is
For formation of $200$ sperms, how many $2^{\circ}$ spermatocytes are required?
Female Ascaris differs from male in having
During opening of stomata, influx of $K^+$ ions into the guard cells is accompanied with efflux of
If in a relationship, both the partners are benefitted, the relationship is termed as
In herbaceous perennial plants, the food is stored mainly in
Among red, blue and violet lights which one is the most efficient for photosynthesis?
Energy enters ecosystem through
When $C_{2}H_{2}, CH_{4}$ and $C_{2}H_{4}$ pass through a test tube which have ammoniacal $Cu_{2}Cl_{2}$, find out which gas comes out unaffected from test tube?
Dimensions of ohm are same as (where $h$ is Planck's constant and $e$ is charge)
Connecting link between reptiles and birds is
Which of the following is not correct?
Chlorophyll has ................ in its centre.
$CH_{3}COOH { ->[NH_{3}] } {A ->[\Delta] B} { ->[P_{2}O_{5}] } C$. $C$ will be
The zoological name of north Indian hare is
Calvin cycle takes place in
Step always involved in respiration
Black water fever is due to
Cristae are found in
Fermentation by yeast is due to
Cohesion Tension theory is related with
Biotic components of an ecosystem include
The fertilization in which male gametes are carried through pollen tube is known as
Who discovered jumping gene in maize?
Binomial system of nomenclature was given by