Question: Contraceptive pills in the market contain
1. Herbicides
2. Antibiotics
3. Steroid hormones
4. Inorganic compounds
Answer: 3
Question: Master copy of genetic information is
1. r-RNA
2. m-RNA
3. DNA
4. Nucleus
Answer: 3
Question: Which of the following is present in Chlorophyll molecule?
1. Mg
2. Fe
3. K
4. Mn
Answer: 1
Question: Which of the following microorganisms is used in Milk curdling?
1. Leuconostoc
2. Bacillus
3. Lactobacillus
4. Acetobacter
Answer: 3
Question: ‘Malt’ a stage of grains during beer formation refers to the
1. Germinated wet grain
2. Dry grain
3. Mashed grain
4. Powdered grain
Answer: 1
Question: Which one of the following is not obtained from the bark of the tree?
1. Quinine
2. Tannin
3. Bhang
4. Cinnamon
Answer: 3
Question: A shallow root system of plants will develop if the moist layer of the soil in which the plants are growing is
1. Near the surface
2. Deep-seated
3. Saline in nature
4. Sandy in nature
Answer: 1
Question: Deforestation accelerates soil erosion and also affects the sub-surface water flow. These two factors adversely affect the –
1. Human resources
2. Ecosystem
3. Climate
4. Local vegetation
Answer: 2
Question: The sour taste of vinegar is due to
1. Lactic acid
2. Citric acid
3. Acetic acid
4. Tartaric acid
Answer: 3
Question: Apple fruit is a –
1. Compound samara
2. Succulent pome
3. Succulent Pepo
4. Succulent drupe
Answer: 2