31. What is the main function of Pacinian corpuscles present in the hypodermis?
[A] tickling sensations
[B] Itching sensation
[C] blood supply to the hypodermis
[D] None of the above
Show Answer
Correct Answer: D [None of the above]
Notes:
Pacinian corpuscles are rapidly adapting receptors that detect gross pressure changes and vibrations in the skin.
32. Nissl granules present in neurons are made up of?
[A] protein
[B] ribosome
[C] RNA
[D] DNA
Show Answer
Correct Answer: B [ribosome]
Notes:
Nissl granules consist of rough endoplasmic reticulum, a collection of parallel, membrane-bound cisternae studded with ribosomes on the cytosolic surface of the membranes.
33. Which is also known as the master gland of our body?
[A] Pineal gland
[B] Thyroid gland
[C] Adrenal gland
[D] Pituitary gland
Show Answer
Correct Answer: D [Pituitary gland]
Notes:
The pituitary gland is also known as the master gland of the human body. It is one of the smallest glands of the human body and it secretes the most number hormones in the body.
34. Which of the following are not included in the male reproductive system?
[A] Testicles
[B] Oviducts
[C] Scrotum
[D] Vas deferens
Show Answer
Correct Answer: B [Oviducts]
Notes:
Oviducts are a part of the female reproductive system. It is also called the fallopian tube. It is the site of fertilization that connects the ovary to the uterus.
35. In patients with hemophilia, which of these can increase the risk of cerebral microbleeds?
[A] cardiovascular risk factors
[B] increased age
[C] Hepatitis C infection
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
In patients with hemophilia, cardiovascular risk factors, age, and hepatitis C infection may increase the risk of cerebral microbleeds.
36. What is Bed Method in Vermicomposting?
[A] beds of chemicals matter are prepared
[B] beds of organic matter are prepared
[C] beds of phosphorus are prepared
[D] All of the above
Show Answer
Correct Answer: B [beds of organic matter are prepared]
Notes:
In Vermicomposting, the Bed Method in which beds of organic matter are prepared.
37. Which of the following hydrocarbons is produced by oil and fat feedstock?
[A] Bio-ethers
[B] Green Diesel
[C] Re-formulated gasoline
[D] All of the above
Show Answer
Correct Answer: B [Green Diesel]
Notes:
Green diesel is also a type of biofuel, produced by hydrocarbon oil and fat feedstock. Bio-ethers and Re-formulated gasoline are also a type of biofuels.
38. Which of the following cell organells are present only in plant cell?
[A] Lysosomes
[B] Plastids
[C] Mitochondria
[D] Cell membrane
Show Answer
Correct Answer: B [Plastids]
Notes:
The plastid is a major double-membrane organelle found in the cells of plants. Plastids are the site of manufacture and storage of important chemical compounds used by the cell. Plastids often contain pigments used in photosynthesis, and the types of pigments present can change or determine the cell’s colour.
39. Which of the following is not connective tissue?
[A] Bone
[B] Skeletal muscle
[C] Cartilage
[D] Blood
Show Answer
Correct Answer: B [Skeletal muscle]
Notes:
Skeletal muscle is a form of striated muscle which is under the voluntary control of the somatic nervous system. Most skeletal muscles are attached to bones by bundles of collagen fibres known as tendons. It is one of three major muscle types, the others being cardiac muscle and smooth muscle.
40. The basic structural and functional unit of living organisms is ____:
[A] Systems
[B] Cell
[C] Tissue
[D] Organ
Show Answer
Correct Answer: B [Cell]
Notes:
Robert Hooke (1665) observed a section of cork under his microscope and found its structure resembling a ‘honey comb’. He gave the name ‘cell’ to each of the compartments of the honey comb like structure. Two German biologists, M Schleiden and T Schwann, later proposed the famous cell theory in 1938-39.
