31. Where Kidneys are present in our body?
[A] At back, just above the waist
[B] At back, behind lungs
[C] Near belly button
[D] Behind pancreas gland
Show Answer
Correct Answer: A [At back, just above the waist]
Notes:
The kidneys are present on either side of the spine at the lower level of the rib cage, in a distal part of the abdomen partially covered by ribs.
32. The bladder is lined with __ epithelium.
[A] Simple columnar
[B] Transitional
[C] Stratified squamous
[D] Simple cuboidal
Show Answer
Correct Answer: B [Transitional]
Notes:
Unlike the mucosa of other hollow organs, the bladder is lined with transitional epithelium. It is able to stretch significantly to accommodate a large volume of urine. And it also provides protection to the underlying tissues from acidic or alkaline urine.
33. Which of the following female reproductive organs produces female gametes?
[A] Ovaries
[B] Uterus
[C] Fallopian tubes
[D] Vagina
Show Answer
Correct Answer: A [Ovaries]
Notes:
Ovaries are the female reproductive organs that produce female gametes. It is also responsible for producing various hormones.
34. In which of the following the ovarian medulla contains many round or oval bodies?
[A] corpus luteum
[B] ovarian follicles
[C] corpus Albicans
[D] antrum
Show Answer
Correct Answer: B [ovarian follicles]
Notes:
In ovarian follicles, the ovarian medulla contains many round or oval bodies.
35. What causes black quarter in cattle?
[A] Euphorbia tirucalli
[B] Clostridium chauvoei
[C] Bacillus anthracis
[D] None of these
Show Answer
Correct Answer: B [Clostridium chauvoei]
Notes:
Clostridium chauvoei causes black quarter in cattle. It is an acute and highly fatal disease.
36. Epidermal cells of which part of plant often secrete a waxy water resistant layer on their outer surface?
[A] Aerial parts only
[B] Roots only
[C] Both aerial parts and roots
[D] Neither aerial parts nor roots
Show Answer
Correct Answer: A [Aerial parts only]
Notes:
The major role of epidermis is to protect all the parts of the plant. Epidermal cells on the aerial parts of the plant often secrete a waxy, water-resistant layer on their outer surface. This aids in protection against loss of water, mechanical injury and invasion by parasitic fungi.
37. Root cap is derived from
____:
[A] Dermatogen
[B] Calyptrogen
[C] Protoderm
[D] Histogen
Show Answer
Correct Answer: B [Calyptrogen]
Notes:
Calyptrogen is a layer of rapidly dividing cells at the tip of a plant root, from which the root cap is formed. It occurs in grasses and many other plants. The root cap is formed by several layers of cells that envelop the root tip externally. This covering of cells, of which the outermost ones are dead, envelops and protects the growing tip of root.
38. What is the Normal Blood Volume in human adult?
[A] 1 litre
[B] 3 litre
[C] 5 litre
[D] 7 litre
Show Answer
Correct Answer: C [5 litre]
Notes:
The average adult has a blood volume of roughly 4-5 to 5 litres, which is composed of plasma and several kinds of cells. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
39. Which one of the following forms the base of vegetable fibres?
[A] Fats
[B] Oils
[C] Cellulose
[D] Proteins
Show Answer
Correct Answer: C [Cellulose]
Notes:
The principal chemical component of vegetable fibres is cellulose, with varying amounts of lignin and hemicelluloses also usually present; thus, the fibres are also referred to as cellulosic or lignocellulosic. Examples include cotton, hemp, jute, flax, ramie, sisal, bagasse, and banana. Vegetable fibres are usually stiffer but less tough than synthetic fibres.
40. Smooth muscles are likely to be found in ____:
[A] Muscles of arms
[B] Heart
[C] Stomach
[D] Muscles of legs
Show Answer
Correct Answer: A [Muscles of arms]
Notes:
The term smooth muscle refers to a muscle of the human body that is part of a involuntary muscle group. The walls of hollow organs are the primary place that smooth muscles can be found. Some of those locations include: Walls of blood vessels, walls of stomach, intestines, large (aorta) and small arteries and veins, urinary bladder, uterus, male and female reproductive tracts, respiratory tract, etc.
