Q1. The dieses athelet foot is caused by
A)
Bacteria
B)
Fungi
C)
Protozoa
D)
Nematode
Q2. Which one of the following is a good source of vitamin E
A)
Meat
B)
Ghee
C)
Yellow yolk
Q3. Bile is stored in
A)
Gall bladder
B)
Duodenum
C)
Liver
D)
Spleen
Q4. Which of the following contains powerful oxidative
enzyme and helps in removing toxics substances from cells
A)
Plastids
B)
Lysosomes
C)
Dictyosomes
D)
Peroxisomes
Q5. Which of the following enzyme is found in human saliva
A)
Pepsin
B)
Ptyalin
C)
Renin
D)
Erepsin
Q6. Which one of the following pairs is not correctly
matched
A)
Loop of henle – kidney
B)
Fallopian tube – female reproductive system
C)
Epididymis – male reproductive system
D)
Cowper’s gland – intestine
Q7. Which of the following glands produces insulin in human
body
A)
Liver
B)
Pancreas
C)
Spleen
D)
Pituitary
Q8. Which of the following is a hereditary disease
A)
Cataract
B)
Haemophilia
C)
Pellagra
D)
Osteoporosis
Q9. Cretinism is a human disorder which is due to the under
secretion of
A)
Adrenalin hormone
B)
Cortisone hormone
C)
Glucagon hormone
D)
Thyroxine hormone
Q10. In plants, which of the following tissue is dead?
A)
Parenchyma
B)
Collenchyma
C)
Sclerenchyma
D)
Phloem
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Answer Key
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Answer Key:
ReplyDelete1.B 2.D 3.A 4.D 5.B 6.D 7.B 8.B 9.D 10.C
Explanation of Q1.
ReplyDeleteAthlete's foot is a common and contagious skin disease that causes itching, scaling, flaking, and sometimes blistering of the affected areas.
Its medical name is tinea pedis.
Tinea pedis is caused by fungi such as Epidermophyton floccosum.
These fungi are typically transmitted in moist communal areas where people go barefoot, such as around swimming pools or in locker rooms, and require a warm moist environment like the inside of a shoe to incubate.
Explanation of Q4.
ReplyDeleteThe plastid is a major double-membrane organelle found in the cells of plants and algae.
They often contain pigments used in photosynthesis, and the types of pigments present can change or determine the cell's color.
A lysosome is a membrane-bound cell organelle found in most animal cells. they are spherical vesicles containing hydrolytic enzymes.
lysosomes act as the waste disposal system of the cell by digesting unwanted materials in the cytoplasm, both from outside of the cell and obsolete components inside the cell. For this function they are popularly referred to as "suicide bags" or "suicide sacs" of the cell.
Dictyosomes are stacks of flat, membrane-bound cavities that together comprise the Golgi apparatus. Within the dictyosomes, proteins are stored, modified, sorted, and packed into vesicles for further transport. Whereas dictyosomes in animal cells are stacked tightly together, the dictyosomes in plant cells are dispersed in the cytoplasm, making them difficult to identify as the Golgi apparatus.
Peroxisomes are organelles found in virtually all eukaryotic cells.
They are involved in the catabolism of very long chain fatty acids, branched chain fatty acids, D-amino acids, and polyamines, reduction of reactive oxygen species - specifically hydrogen peroxide and biosynthesis of plasmalogens.
Explanation of Q9.
ReplyDeleteCretinism is a condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones (congenital hypothyroidism) usually due to maternal hypothyroidism.