In animals coordination is achieved by means of_________?
In animals coordination is achieved by means of_________?
A. Respiratory system
B. Nervous system
C. Endocrine system
D. Both b and c
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Stamens are not usually pendulous in plants pollinated by __________ ?
Stamens are not usually pendulous in plants pollinated by __________ ?A. Wind
B. Insects
C. Water
D. RainPrimary structure of proteins determines__________?
Primary structure of proteins determines__________?
A. Number of polypeptide chains involved
B. Bending of polypeptide chains
C. Amino acid sequence
D. Coiling of polypeptide chainsHow many vertebrae are present in lumbar region?
How many vertebrae are present in lumbar region?
A. 7
B. 12
C. 5
D. 4Stomatal transpiration is __________ of total transpiration
Stomatal transpiration is __________ of total transpiration
A. 90%
B. 91%
C. 93%
D. 95%The first ever vascular plants are_________?
The first ever vascular plants are_________?A. Cooksonia
B. Selaginella
C. Adiantum
D. DryopterisCell wall is richly impregnated with silica in__________?
Cell wall is richly impregnated with silica in__________?
A. Rhodophyta
B. Phaeophyta
C. Baciliariophyta
D. Euglenophyta