Question: Human stomach produces acid ‘X’ which helps in digestion of food. Acid ‘X’ is:
1. hydrochloric acid
2. acetic acid
3. methanoic acid
4. citric acid
Answer: 1
Question: A body initially at rest is acted upon by a constant force. The rate of change of its kinetic energy varies:
1. linearly with square of time
2. linearly with square root of time
3. linearly with time
4. inversely with time
Answer: 1
Question: Which of the following pairs has open type of circulatory system?
1. Cockroach and Silverfish
2. Earthworm and Leech
3. Man and Whale
4. Tadpole larva and fish
Answer: 1
Question: The abnormal constituent of urine is:
1. Albumin
2. Urea
3. Creatinine
4. Sodium
Answer: 1
Question: Tuberculosis infection is by means of:
1. Mycobacterium avonin
2. Streptococcus
3. Mycobacterium tuberculosis
4. Staphylococcus
Answer: 3
Question: The element which is required by the plant in large quantity:
1. Calcium
2. Sulphur
3. Phosphorus
4. Nitrogen
Answer: 4
Question: Which one of the following gives energy to our body?
1. Vitamins
2. Water
3. Carbohydrates
4. Proteins
Answer: 3
Question: Dumping of solid waste in low-lying areas earth cover is called as:
1. Incineration
2. Sanitary landfilling
3. Open dumping
4. Composting
Answer: 2
Question: There is a need to keep larger under forests for:
1. geological balance
2. absorption of carbon dioxide
3. protecting wildlife
4. raising precipitation
Answer: 2
Question: In plants water is absorbed by the root hairs by a process called:
1. Respiration
2. Transpiration
3. Osmosis
4. Perspiration
Answer: 3
Question: The disease that is caused by virus is:
1. Common cold
2. Malaria
3. Cholera
4. Typhoid
Answer: 1
Question: High levels of uric acid in the blood is characteristics of
1. Arthritis
2. Pout
3. Rheumatism
4. Rheumatic heart
Answer: 2
Question: HCI is secreted by
1. Zymogen cells
2. Peptic cells
3. Oxyntic cells
4. None of these
Answer: 3
Question: Following are the characteristics of genetic code
1. it is triplet
2. it is universal
3. it is non overlapping
4. it is ambiguous
Answer: 1
Question: Epiphyte plants are those
1. that cling to other plants and take nutrition from them
2. that cling to other plants but do not take nutrition from them
3. that are adapted to grow on dry places
4. none of these
Answer: 3
Question: Energy pyramids of an ecosystem tend to diminish at higher trophic levels. This is because at each successive level
1. there is an increase in body activity
2. a hormone is released by the pituitary gland
3. there is low blood glucose
4. there is high blood glucose
Answer: 4
Question: Endospermic seeds are found in
1. Carica papaya
2. Dolichos lablab
3. Gourd
4. Pisum sativum
Answer: 1
Question: Endocytosis is a process whereby a cell
1. Digests itself
2. Engulfs and internalizes material using its membrane
3. Identifies other cells within its immediate
4. Enables the extracellular digestion of large molecules
Answer: 2
Question: Disease associated with secretion of toxin is
1. Tetanus
2. T.B.
3. Food Poisoning
4. AIDS
Answer: 1
Question: Dicot root having more than six vascular bundles is
1. Pea
2. Sunflower
3. Ficus
4. Ranunculus
Answer: 1