Question: Aldo sterone regulates:
1. Urine concentration
2. Sodium absorption
3. Blood glucose
4. Serum calcium
Answer: 2
Question: The compounds leading to origin of life were:
1. Urea and Nucleic acids
2. Proteins and amino acids
3. Amino acids and urea
4. Proteins and nucleic acids
Answer: 4
Question: Ina food chain, the solar energy utilised by plants is only
1. 0.1 percent
2. 10 percent
3. 1 percent
4. 0.01 percent
Answer: 1
Question: Human breath is visible in winter but not in summer because
1. water vapour in breath condenses in cold air, making it visible
2. the difference in outside pressure gives visibility to breath
3. breath contains certain impurities and visible matters
4. none of these
Answer: 1
Question: Egg is rich source of nutrients except
1. Fats
2. Vitamin D
3. Protein
4. Vitamin C
Answer: 4
Question: Azolla is often used as biofertilizer, because it is associated with –
1. Moss
2. Blue Green Algae
3. Red Algae
4. Fungus
Answer: 2
Question: Which one among the following statements regarding cell is not correct?
1. Shape and size of cells are related to specific function
2. Some cells have changing shapes
3. Each cell has its own capacity to perform
4. Same type of cells are present in all body tissues
Answer: 4
Question: Which of the following is not a fruit?
1. Mustard
2. Orange
3. Pear
4. Apple
Answer: 1
Question: Flu is caused by a –
1. Bacteria
2. Virus
3. Fungus
4. None of these
Answer: 2
Question: Which of the following instruments is normally used by medical professionals?
1. Stroboscope
2. Ammeter
3. Photometer
4. Stethoscope
Answer: 4
Question: Which one among the following will be absorbed fastest through the wall of digestive system?
1. DDT taken as a poison
2. Raw alcohol taken as a drink
3. Ice cream as a dessert
4. Black coffee as a hot beverage
Answer: 1
Question: Which one of the following is not a plant hormone?
1. Cytokinin
2. Ethylene
3. Gibberellin
4. Insulin
Answer: 4
Question: CT Scan is done by using –
1. Infra-red rays
2. Visible light
3. Ultrasonic waves
4. X-rays
Answer: 4
Question: The liver disease Hepatitis-B is caused by –
1. DNA Virus
2. Bacterium
3. Platyhelminth
4. Hepatitis B virus
Answer: 4
Question: Which one among the following is not correct about Down’s syndrome?
1. Affected individual has early ageing
2. It is genetic disorder
3. Affected person has mental retardation
4. Affected person has furrowed tongue with open mouth
Answer: 1
Question: In dry regions, the leaf size of a tree becomes smaller. It is so to
1. reduce transpiration
2. reduce metabolism maintain natural growth
3. maintain natural growth
4. protect plant from animals
Answer: 1