21 - 30 of 46 Questions
# | Question | Ans |
---|---|---|
21. |
A feeding relationship in which both organisms benefit is referred to as A. commensalism B. parasitism C. predation D. saprophytism E. symbiosis |
E |
22. |
When a plant shows yellowing of leaves and stunted growth, the plant is deficient in A. copper B. iron C. manganese D. silicon E. zinc Detailed Solution-Iron is one of the seven major / essential elements required by plants.-Its deficiency symptoms is the yellowing of leaves |
|
23. |
The glomerular filtrate contains the following substances EXCEPT A. blood cells B. glucose C. mineral salts D. Water E. urea |
A |
24. |
The mouth part of a mosquito through which it sucks the blood of its victim is called A. hypopharynx B. mandible C. labium D. labrum E. stylet |
E |
25. |
An organism that transmits pathogens is called a A. prey B. commensal C. parasite D. symbiont E. vector |
E |
26. |
Which of the following factors does NOT affect photosynthesis? A. carbon (iv) oxide B. light intensity C. relative humidity D. soil water E. temperature |
C |
27. |
Soil factors in an ecosystems are referred to as A. biotic B. climatic C. edaphic D. physiographic E. topographic |
C |
28. |
Which of the following eye defects can be corrected with a bi-focal lens? A. Astigmatism B. Cataract C. Hypermetropia D. Myopia E. Presbyopia |
E |
29. |
Under secretion of thyroxine before maturity cause A. cretinism B. gigantism C. goiter D. myxoedema E. obesity |
A |
30. |
Intestinal juice contains the following enzymes EXCEPT A. erepsin B. lipase C. maltase D. sucrose E. trypsin |
E |
21. |
A feeding relationship in which both organisms benefit is referred to as A. commensalism B. parasitism C. predation D. saprophytism E. symbiosis |
E |
22. |
When a plant shows yellowing of leaves and stunted growth, the plant is deficient in A. copper B. iron C. manganese D. silicon E. zinc Detailed Solution-Iron is one of the seven major / essential elements required by plants.-Its deficiency symptoms is the yellowing of leaves |
|
23. |
The glomerular filtrate contains the following substances EXCEPT A. blood cells B. glucose C. mineral salts D. Water E. urea |
A |
24. |
The mouth part of a mosquito through which it sucks the blood of its victim is called A. hypopharynx B. mandible C. labium D. labrum E. stylet |
E |
25. |
An organism that transmits pathogens is called a A. prey B. commensal C. parasite D. symbiont E. vector |
E |
26. |
Which of the following factors does NOT affect photosynthesis? A. carbon (iv) oxide B. light intensity C. relative humidity D. soil water E. temperature |
C |
27. |
Soil factors in an ecosystems are referred to as A. biotic B. climatic C. edaphic D. physiographic E. topographic |
C |
28. |
Which of the following eye defects can be corrected with a bi-focal lens? A. Astigmatism B. Cataract C. Hypermetropia D. Myopia E. Presbyopia |
E |
29. |
Under secretion of thyroxine before maturity cause A. cretinism B. gigantism C. goiter D. myxoedema E. obesity |
A |
30. |
Intestinal juice contains the following enzymes EXCEPT A. erepsin B. lipase C. maltase D. sucrose E. trypsin |
E |