Which one of the following is a cartilaginous fish?
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Solution
Elasmobranchii(dog fish) is an alernative name for cartilaginous fish or chondrichthyes. The name refers to the fact that the gill-slits are exposed and not covered by an operculum.
Name of cranial nerves of human being viz. II, VII, VIII, IX
Which of the following cranial nerve of man is both sensory and motor?
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Solution
Trigeminal nerves (V) are relatively long and mixed nerves(sensory and motor both) that arise from lateral aspects of anterior part of medulla oblongata.
Figure refers to reproductive system of female cockroach.The correct labellings indicated by alphabets are respectively
Cellulose is the major component of cell walls of
When a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is known as
Find out the correct order of succession levels in Xerarch
Match Column – I with Column – II
| Column-I | Column-II |
|---|---|
| A.Aerobic | 1.Frankia |
| B.Cyanobacteria | 2.Azospirillum |
| C.Casuarina | 3.Clostridium |
| D.Tropical grasses | 4.Aulosira |
| 5.Azotobacter |
What is called “Warburg’s effect” on photosynthesis?
The immune system is involved in
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Solution
The immune system is involved in all of the functions listed.
“Reclamation” and “Little leaf” disease, caused by deficiency of
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Solution
"Reclamation" and "Little leaf" disease, caused by deficiency of Cu and Zn
Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?
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Solution
Chemical process of digestion started in the oral cavity by the hydrolytic action of the carbohydrate (potato contains starch) splitting enzyme, the salivary amylase.Carbohydrates in the chyme are hydrolysed by pancreatic amylase into disaccharides.
Which of the following animal dose not excrete nitrogen as urea ?
In the homeostatic control of blood sugar level, which organs function respectively as modulator and effector
Whichof the following is/are example(s) of Deuteromycetes?
Conversion of ammonia into nitrates through Nitrosomonas is called
Using the figure, determine the percentage of bird species that will be lost if the island’s inhabitable land area is reduced from 100,000 km2 to 1 km2.
Match Column – I with Column – II
| Column I | Column II |
|---|---|
| A.Collagen | 1.Glucose transport |
| B.Trypsin | 2.Binding with some chemical like for small taste and hormones |
| C.Insulin | 3.Homones |
| D.Antibody | 4.Enzyme |
| E.Receptor | 5.Inter cellular ground substance |
| F.GLUT-4 | 6.Fight infectious agents |
Nissl’s granules are found in cyton of nerve cells. These have affinity for basic dyes. The granules are made up of
Abscission of fruits is prevented by