Question: The function of endoplasmic reticulum is
1. Acrosome formation
2. Lysosome formation
3. Synthesis of steroid hormones
4. Secretion of proteins
Answer: 3
Question: What role does enzyme pepsin play?
1. It converts fats into acids
2. It converts fats into glycerol
3. It converts proteins into peptones
4. It converts starch into sugar
Answer: 3
Question: The human liver performs all of the following functions, except
1. Production of hormones
2. Detoxification of toxins
3. Storage of glycogen
4. Formation of bile
Answer: 1
Question: Golgi body is found in
1. RBC in man
2. All the cells
3. All the cells except RBC and baceria
4. Only bacterial cells
Answer: 3
Question: On which of the following plants did Gregor Mendel perform his classical experiment?
1. Gram
2. Maize
3. Pea
4. Wheat
Answer: 3
Question: Who propounded the story of natural selection?
1. Mendel
2. Lamarck
3. Darwin
4. De Vries
Answer: 3
Question: Which of the following digestive enzymes is present in the saliva?
1. Amylase
2. Lipase
3. Ptyalin
4. Trypsin
Answer: 3
Question: People suffering from ‘anorexia nervosa’
1. develop paralysis
2. show poor reflex
3. cannot speak properly
4. eat very little and fear gaining weight
Answer: 4
Question: Which one of the following elements is present in green pigment of leaf?
1. Magnesium
2. Phosphorus
3. Iron
4. Calcium
Answer: 1
Question: Which method of water purification does not kill microorganism?
1. Boiling
2. Filtration
3. Chlorination
4. UV-irradiation
Answer: 2
Question: Among the following animals, choose the one having three pairs of legs.
1. Spider
2. Scorpion
3. Bug
4. Mite
Answer: 3
Question: Two strands of DNA are held together by –
1. hydrogen bonds
2. covalent bonds
3. electrostatic force
4. van der Waals’ forces
Answer: 1
Question: Which of the following does not possess a specialized conducting tissue for transport of water and other substances in plants?
1. Marchantia
2. Marsilea
3. Cycas
4. Fern
Answer: 3
Question: Which one of the following is the example of subsistence farming?
1. Shifting cultivation
2. Commercial farming
3. Extensive and intensive farming
4. Organic farming
Answer: 1
Question: Which of the following structures of a plant is responsible for transpiration?
1. Xylem
2. Root
3. Stomata
4. Bark
Answer: 3