1. From which among the following parts of a plant Cinnamon is obtained?
[A] Leaves
[B] Seeds
[C] Bark
[D] Buds
Show Answer
Correct Answer: C [Bark]
Notes:
Cinnamon is obtained from the inner bark of cinnamon trees. Specifically, the bark is peeled off during the rainy season when it is still moist and flexible. After being removed, the bark is processed and dried to produce the spice we recognize as cinnamon.
2. Which among the following diseases is also known as “Pink Eye”?
[A] Conjunctivitis
[B] Myopia
[C] Astigmatism
[D] Presbyopia
Show Answer
Correct Answer: A [Conjunctivitis ]
Notes:
Pink eye or Conjunctivitis is an irritation or inflammation of the conjunctiva, which covers the white part of the eyeball. It can be caused by allergies or a bacterial or viral infection.
3. Which among the following is the correct location of Adrenal Glands in Human Body?
[A] Above kidneys
[B] Below kidneys
[C] Above Medulla Oblongata
[D] Near Pancreases
Show Answer
Correct Answer: A [Above kidneys]
Notes:
Each adrenal gland is located on the top of each kidney (forming a hat-like structure on the top of the kidneys). Each adrenal gland has two parts viz. outer cortical portion and inner adrenal cortex. Further, there is a central part called adrenal medulla.
4. Which among the following function as locus of biochemical reactions?
[A] Cell plasma
[B] Cell membrane
[C] Cell walls
[D] None of the above
Show Answer
Correct Answer: B [Cell membrane]
Notes:
The cells membranes hold enzymes of sequential reactions in close proximity
5. Sexual cannibalism is a concept in which the female kills the male after mating and is normally found in _________?
[A] Dragon fly
[B] Spider
[C] Honey Bee
[D] None of the above
Show Answer
Correct Answer: B [Spider]
Notes:
In Honey Bee the male itself dies after copulation.
sexual cannibalism is common in many families of spiders and scorpions
6. In which of the following diseases copper accumulates in tissues ?
[A] Fabry disease
[B] Canavan disease
[C] Wilson’s disease
[D] Gunther disease
Show Answer
Correct Answer: C [Wilson’s disease]
Notes:
Wilson’s disease is a genetic disorder in which excess copper builds up in the body. Symptoms are typically related to the brain and liver. Some of the symptoms are vomiting, weakness, fluid build up in the abdomen, swelling of the legs, etc.
7. The birds not have respiratory trouble at the time of flying at high altitude. What is the reason for this?
[A] The size of lungs of birds is larger in comparison to their body
[B] At higher altitudes birds fly inactively
[C] Birds have extra air sacs
[D] None of the above is a correct reason
Show Answer
Correct Answer: C [ Birds have extra air sacs]
Notes:
Because flying takes a tremendous amount of energy, birds need to get lots of oxygen. The air sacs in their lungs help them to keep fresh air flowing in, unlike mammals, where the “old” air within the trachea and mouth (which has low oxygen content and high CO2 levels) in inhaled each time. Birds eliminate this “anatomical dead space” problem by using air sacs.
8. From the point of view of evolution of living organisms, which of the following set of animals is a correct sequence of evolution?
[A] Whale, Kangaroo, Echidna
[B] Echidna, Whale, Kangaroo
[C] Kangaroo, Whale, Echidna
[D] Echidna, Kangaroo, Whale
Show Answer
Correct Answer: D [ Echidna, Kangaroo, Whale]
Notes:
The correct sequence of the evolution would be Monotremes, Marsupials and Eutheria. Since, Whale is in subclass Eutheria, it is the latest in the evolution. So the correct sequence is Echidena (Monotreme), Kangaroo (Marsupials) & Whale (Eutheria).Echidna are the only surviving members of the Monotremata order and are the only living mammals that lay eggs.
9. Which of the following cells is present in epidermis that surrounds stomatal pore in plants?
[A] Epithelial cells
[B] Guard cells
[C] Subsidiary cells
[D] Accessory cells
Show Answer
Correct Answer: B [ Guard cells ]
Notes:
Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. Guard cells are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore.
10. Which among the following carries impure blood to human heart?
[A] Pulmonary vein
[B] Vena Cava
[C] Aorta
[D] Pulmonary arteries
Show Answer
Correct Answer: D [Pulmonary arteries]
Notes:
The pulmonary artery carries impure blood to the right and left lungs. The left half of the heart collects and pumps pure (oxygenated) blood from the lungs to all parts of the body.
