Which one of the following pair of food components in humans reaches the stomach totally undigested?
1. Protein and starch
2. Starch and fat
3. Fat and cellulose
4. Starch and cellulose
Uric acid is the chief nitrogenous component of the excretory products of:
1. man
2. earthworm
3. cockroach
4. frog
Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
1. Coelenterates (cnidarians)
2. Ascheminthes (roundworms)
3. Ctenophores
4. Sponges
Tiger is not a resident, in which one of the following national parks?
| 1. | Ranthambore | 2. | Sunderbans |
| 3. | Gir | 4. | Jim Corbett |
A change in the amount of yolk and its distribution in the egg will affect:
1. formation of zygote
2. pattern of cleavage
3. number of blastomeres produced
4. fertilization
When breast feeding is replaced by less nutritive food low in proteins and calories, infants below the age of one year are likely to suffer from:
1. marasmus
2. rickets
3. kwashiorkor
4. pellagra
Stroma in the chloroplasts of higher plants contains:
| 1. | light-independent reaction enzymes |
| 2. | light-dependent reaction enzymes |
| 3. | ribosomes |
| 4. | chlorophyll |
Which of the following correctly describes the location of some body parts in the earthworm Pheretima?
| 1. | Two pairs of accessory glands in 16-18 segments |
| 2. | Four pairs of spermathecae in 4-7 segments |
| 3. | One pair of ovaries attached at intersegmental septum of 14th and 15th segments |
| 4. | Two pairs of tests in 10th and 11th segments |
Foetal ejection reflex in human female is induced by:
| 1. | pressure exerted by aminotic fluid |
| 2. | release of oxytocin from pituitary |
| 3. | fully developed foetus and placenta |
| 4. | differentiation of mammary glands |
Which one of the following has haplontic life cycle?
1. Funaria
2. Polytrichum
3. Ustilago
4. wheat
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