Plants having little or no secondary growth are
Options
(a) Cycads (b) Conifers (c) Deciduous angiosperms (d) Grasses
Correct Answer:
Grasses
Explanation:
Grasses are monocots and monocots usually do not have secondary growth.Palm […]
Plants could be grown to maturity in a defined nutrient solution was demonstrated for the first time by
Options
(a) Priestley (b) Von Sacchs (c) Ingenhousz (d) Van Niel
Correct Answer:
Von Sacchs
Plants can be cultivated in soil-less medium where all required nutrients are supplied from the outside in water solution, this method comes under
Options
(a) water culture (b) hydroponics (c) hyprid culture (d) […]
Plant cells differ from animal cells in having
Options
(a) Centrosome (b) Golgi body (c) Vacuole (d) Plastid
Correct Answer:
Plastid
Explanation:
Plastids are present in plant cells and absent in most of […]
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 […]
Phytochrome in plants is sensitive to
Options
(a) green light (b) blue light (c) red light (d) red and far red light
Correct Answer:
red and far red light
Explanation:
Phytochrome is a […]
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 […]
Photosynthetically least efficient radiation is
Options
(a) blue (b) yellow (c) green (d) red
Correct Answer:
green
Explanation:
In light spectrum blue and red regions are most effective in photosynthesis. Blue wavelengths of […]
Photosynthetic pigments in chloroplast are embedded in the membrane of
Options
(a) thylakoids (b) matrix (c) chloroplast envelope (d) photoglobin
Correct Answer:
thylakoids
Explanation:
No explanation available. Be the first to write the […]
Photorespiration takes place only in
Options
(a) green parts of the plant (b) mitochondria of plant cell (c) all living cells of plant (d) root of hydrophytic plant
Correct Answer:
green parts of […]
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