A vascular bundle having phloem on either side of the xylem
Options
(a) Bicollateral (b) Collateral (c) Radial (d) Concentric
Correct Answer:
Bicollateral
Explanation:
Bicollateral vascular bundles have phloem both on the outer […]
Pigment associated with physiological function
Options
(a) phytochrome (b) anthocyanin (c) chlorophyll (d) carotene
Correct Answer:
phytochrome
Explanation:
Phytochrome is a pigment involved in the perception of photoperiodic stimuli controlling flowering, lettuce seed […]
Photphosphorylation is
Options
(a) synthesis of ATP in presence of light (b) breakdown of ATP to give energy (c) photolysis of water (d) synthesis of starch
Correct Answer:
synthesis of ATP in presence […]
Lymph vessels are united to form
Options
(a) lymph heart (b) cisterna chyle (c) thoracic duct (d) jugular vein
Correct Answer:
thoracic duct
Explanation:
Lymphatic vessels unite to form two main vessels called […]
In mammals, the digestion of starch starts from
Options
(a) mouth (b) oesophagus (c) stomach (d) duodenum
Correct Answer:
mouth
Explanation:
The digestion of starch (carbohydrate) is initiated in mouth due to the action […]
How is the movement of electrons in ETC in light reaction?
Options
(a) Uphill in terms of redox reaction (b) down hill in terms of redox reaction (c) Either Uphill in terms of redox […]
A slab consists of two parallel layers of two different materials of same thickness and area having thermal conductivities K₁ and K₂. The equivalent conductivity of the combination of
Options
(a) K₁ + K₂ […]
The density of methane (CH₄) at 2.0 atmospheric pressure and 27⁰C is
Options
(a) 1.30 gL⁻¹ (b) 0.13 gL⁻¹ (c) 0.26 gL⁻¹ (d) 26.0 gL⁻¹
Correct Answer:
1.30 gL⁻¹
Explanation:
Ideal gas equation […]
What is common between photosynthesis and respiration finally after reaction?
Options
(a) O₂ (b) CO₂ (c) cytochrome (d) NO₂
Correct Answer:
cytochrome
Explanation:
No explanation available. Be the first to write the explanation […]
Secretions of ductless glands are known as
Options
(a) hormones (b) pheromones (c) enzymes (d) mucous
Correct Answer:
hormones
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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