List of practice Questions

In ornithophilous plants, flowers lack _________

Match the process in Column–I with its explanation in Column–II and select the correct option.
Column – I Column – II
(i) Symport a) shrinking of protoplasm in a plant cell when placed in hypertonic solution
(ii) Facilitated diffusion b) transport of two types of molecules in same direction across cell membrane
(iii) Antiport c) selective transport of molecules across the membrane through proteins
(iv) Plasmolysis d) transport of two types of molecules in opposite direction across cell membrane

{Hydra and yeast reproduce asexually by _________

Taq polymerase isolated from {Thermus aquaticus can withstand temperature up to _________

Internal valves are present in the _________

Select the INCORRECT statement.

Excessive haemolysis of R.B.C.s with over production of bilirubin and abnormal function of ________ is observed in jaundice.

Empirical formula of chlorophyll–a is _________

Select the correct statement.

Breasts are the modified ________ glands.

Proximal convoluted tubule differs from distal convoluted tubule being lined by _________

Which one of the following is cause of inflammation of cornea, called snow blindness cataract?

Gaurav visited a zoo where he saw tiger, lion, camel, musk deer, red fox, one-horned rhinoceros, great Indian bustard and peacock. He wanted to report the endangered species from the above list. The number will be _________

Which one of the following is a heteropolysaccharide?

Which one of the following animal has longer loop of Henle?

Wine and beer are produced without _________

Which one of the following blood vessels carries oxygenated blood?

Which one of the following lichens are used to obtain usnic acid?

The ________ brings about dilation of blood vessels?

Inflammation of alveoli, consolidation and exudation in lungs, are characteristics of ________ disease.

Select the correct statement with reference to AIDS.

Grafting is NOT possible in monocots because they do not possess _________

Photosynthetic organisms which lack chlorophyll-a are _________

Which one of the following heavy metals in water is responsible to cause haemolysis, diarrhoea, abdominal and chest pain in humans?

Match the Column-I with Column-II and select the correct option.
Column-I Column-II
A. Tidal volume (i) 2500–3000 ml
B. Inspiratory reserve volume (ii) 1000 ml
C. Residual volume (iii) 4500 ml
D. Vital capacity (iv) 500 ml