Dakshana Mock Test Season XV
Dakshana Mock Test Season XV
1] In which of the following groups of organisms, food material is broken down outside the body and simple molecules are absorbed?
i. Mushroom, Green plants, Amoebaii. Yeast, Mushroom, Bread mould
iii. Paramecium, Amoeba, Cuscuta
iv. Cuscuta, Lice, Tapeworm
2] Choose the function of the pancreatic juice from the following.
i. Trypsin digests proteins and lipase carbohydratesii. Trypsin digests emulsified fats and lipase proteins
iii. Trypsin and lipase digest fats
iv. Trypsin digests proteins and lipase emulsified fats
3] Glycolysis occurs in
i. Ethanolic fermentationii. Lactic fermentation
iii. Cytoplasm
iv. All of these
4] Inhalation occurs due to contraction of
i. Diaphragmii. Intercoastal muscles
iii. Both (i) and (ii)
iv. Lungs
5] The heart valve between right auricle and right ventricle is
i. Bicuspid valveii. Tricuspid valve
iii. Semilunar valve
iv. Mitral valve
6] Arteries carry pure blood except
i. Aortaii. Pulmonary artery
iii. Carotid artery
iv. Coronary artery
7] All nutrients and most of the water is absorbed by
i. PCTii. Loop of Henle
iii. DCT
iv. Collecting Duct
8] The flow of food through Phloem is
i. Upward to downwardii. Downward to upward
iii. Both (i) and (ii)
iv. Unidirectional
9] Which of the following is unpaired in human body?
i. Kidneyii. Auricles
iii. Ureter
iv. Urethra
10] The closing of the leaves of touch-me-not plant is a type of
i. Tropic movementii. Nastic movement
iii. Phototropic movement
iv. Seismonastic movement
11] Which phytohormone is responsible for phototropic movement?
i. Auxinii. Gibberellin
iii. Ethylene
iv. Cytokinin
12] Internodal elongation is caused by
i. Auxinii. Gibberellin
iii. Ethylene
iv. Cytokinin
13] Deficiency of thyroxine causes
i. Stunted physical growthii. Mental retardation
iii. Calcium deficiency
iv. Both (i) and (ii)
14] Testis are present in scrotum outside the body cavity because
i. Sperm production requires low temperatureii. Sperm production requires high temperature
iii. Testis cannot develop in body cavity
iv. None of these
15] Pollination by wind is known as
i. Anemophilyii. Hydrophily
iii. Entemophily
iv. Zoophily
16] The phenomenon where individuals of a species exhibit differences in characteristics are called
i. Adaptationii. Evolution
iii. Variation
iv. All of the above
17] Which of the following characters can be acquired but not inherited?
i. Colour of skinii. Size of body
iii. Colour of eyes
iv. Intelligence
18] The traits in an organism is influenced by
i. Paternal DNA onlyii. Maternal DNA only
iii. Both paternal and maternal DNA
iv. Depends upon environmental conditions
19] Which of the following is an example of genetic variation?
i. One person has a scar, but his friend does notii. One person is older than another
iii. Reeta eats meat, but her sister Geeta is a vegetarian
iv. Two children have different eye colours
20] Which of the following decides the sex of the child?
i. Male gamete, i.e., spermii. Female gamete, i.e., ovum
iii. Both sperm and ovum
iv. Mother
21] A man with blood group A (heterozygous) marries a woman having blood group O. What will be the blood group of the child?
i. O onlyii. A only
iii. AB
iv. Equal chance of acquiring blood group A or blood group O
22] Those organs which have different basic structure but have similar appearance and perform similar functions are called
i. Analogous organsii. Homologous organs
iii. Vestigial organs
iv. None of these
23] The development of cabbage, broccoli and cauliflower from wild cabbage is an example of
i. Genetic driftii. Natural selection
iii. Reproductive isolation
iv. Artificial selection
24] The fossil remains of Archaeopteryx is a connecting link between
i. Reptiles and mammalsii. Reptiles and bird
iii. Fish and amphibian
iv. Amphibian and reptile
25] The human species has genetic roots in
i. Australiaii. Africa
iii. America
iv. Indonesia
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