biology MCQ

1: Primary phloem develops from-

1. lateral meristem

2. protoderm

3. extrastelar cambium4. provascular tissue5.

Correct Answer: 4.

Question 2: The leaves are modified into spines in

1. Nepethes2. Opuntias

3. Australian Acacia

4. Utricularia5.

Correct Answer: 2.

Question 3: Emphysema is a disease Caused by environmental pollution in which the affected organ of the body is-

1. Brain

2. Lungs3. Kidney4. Liver5.

Correct Answer: 2.

Question 4: Pyorrhoea is a disease of the-

1. nose2. heart

3. gums

4. lungs5.

Correct Answer: 2.

Question 5: Poison glands of snakes are homologous to1. salivary glands of vertebrates

2. sebaceous glands of mammals3. stings of rays4. electric organs of fishes5.

Correct Answer: 1.

Question 6: Plant have ____ while animals lack it.

1. starch2. cellulose

3. fat4. protein5.

Correct Answer: 2.

Question 7: What is the scientific name of mango.

1. mangifera asia.

2. mangifeta inica

3. mangifera inica4. mangifera indica5.

Correct Answer: 4.

Question 8: Roots that absorb oxygen from environment are called

1. Digestive roots2. Suckers3. Pneumatophores

4. Hygroscopic5.

Correct Answer: 3.

Question 9: Most highly intelligent mammals are-

1. whales2. elephants3. dolphins

4. kangaroos5.

Correct Answer: 3.

Question 10: Prokaryotic cells lack-

1. nucleolus

2. nuclear membrane3. membrane bound by organelles4. All of these5.

Correct Answer: 4.

Question 11: Curd Making is an ancient 'Bio-Technological' process involving-1. Bacteria

2. Protozoa3. Fungus4. Virus5.

Correct Answer: 1.

Question 12: Plant bends towards the source of light on account of the movement of curvature known as

1. geotropism2. chemotropism3. phototropism

4. thigmotropism5.

Correct Answer: 3.

Question 13: The famous Sanctuary for Rhinoceros is -

1. Kaziranga

2. Ranthombore3. Corbett4. Gir5.

Correct Answer: 1.

Question 14: Placenta is the structure formed-

1. by the union of foetal and uterine tissue

2. by foetus only

3. by fusion of germ layers4. None of these5.

Correct Answer: 1.

Question 15: Our major foods, fibres, spices, fruits and beverage crops are-

1. flowering plants

2. gymnosperms plants

3. pteridophytes4. bryophytes5.

Correct Answer: 1.

Question 16: Endosperm/endosperm nucleus of angiosperms is generally

1. Haploid

2. Diploid

3. Triploid4. Tetraploid5.

Correct Answer: 3.

Question 17: Photo-oxidation is-

1. photorespiration2. photolysis

3. light and oxygen induced breakdown

4. All of the above5.

Correct Answer: 4.

Question 18: What is the Scientific name of Cockroach?

1. Periplaneta indica2. Asiana periplaneta3. Periplaneta americana.

4. periplaneta Cockrocha5.

Correct Answer: 3.

Question 19: Plant development is influenced by-

1. quality of light only2. quality and quantity of light3. quality and duration of light4. quality, quantity and duration of light

5. Correct Answer: 4.

Question 20: The process of photophosphorylation was discovered by

1. Calvin

2. Warburg3. Priestley 4. Arnon5.

Correct Answer: 4.

Question 21: H5N1 virus causing global pandemic influenza is -

1. Goat flu2. Cow flu3. Horse flu4. Bird flu


Question 22: Ordinary table salt is sodium chloride. What is baking soda?

1. Potassium chloride2. Potassium hydroxide3. Potassium carbonate4. Sodium bicarbonate


Question 23: Movements due to light are shown by-

1. lower plants2. flowering plants3. all land plants

4. all the plants


Question 24: Organic Substances which, in very small amounts, control growth and development called-

1. vitamins2. enzymes3. hormones

4. None of the above


Question 25: Plants synthesis protein from-

1. starch2. sugar3. amino acids

4. fatty acids5.

Correct Answer: 3.

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biology MCQ