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The site of perception of light in plants during photoperiodism is:
Cyclic photophosphorylation results in the formation of:
Match List-I with List-II: List-I A. Pteridophyte B. Bryophyte C. Angiosperm D. Gymnosperm List-II I. Salvia II. Ginkgo III. Polystrichum (Polytrichum) IV. Salvinia
Read the following statements and choose the set of correct statements regarding the members of Phaeophyceae (Brown Algae): A. Asexual reproduction occurs usually by biflagellate zoospores. B. Sexual reproduction is by oogamous method only. C. Stored food is in the form of carbohydrates which is either mannitol or laminarin. D. The major pigments found are chlorophyll a, c and carotenoids and xanthophyll. E. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.
Match List-I with List-II: List-I A. Microscopic angiosperm B. Tallest gymnosperm C. Thalloid bryophyte D. Heterosporous pteridophyte List-II I. Salvinia II. Marchantia III. Sequoia IV. Wolffia
Match List-I with List-II regarding the stages of the Cell Cycle: List-I A. G1 phase B. S phase C. G2 phase D. G0 phase List-II I. Quiescent stage II. Replication of DNA III. Interval between mitosis and initiation of DNA replication IV. Proteins are synthesised in preparation for mitosis
Nirodh is a popular brand of:
Given below are two statements: Statement I: RuBisCO is the most abundant enzyme in the world. Statement II: Photorespiration does not occur in C4 plants. In the light of the above statements, choose the most appropriate answer from the options given below:
Match items in Column I with those in Column II: Column I (A) Peritrichous flagellation (B) Living fossil (C) Rhizophore (D) Smallest flowering plant (E) Largest Perennial alga Column II (J) Ginkgo (K) Macrocystis (L) Escherichia coli (M) Selaginella (N) Wolffia
The ratio of carbon dioxide fixation between C4 plants and C3 plants is:
In photosynthesis, the light-independent reactions take place at?
Diaphragms, cervical caps and vaults are:
Identify the correct statements regarding chemiosmotic hypothesis:
Given below are two statements: Statement I: The primary CO₂ acceptor in C₄ plants is phosphoenolpyruvate and is found in the mesophyll cells. Statement II: Mesophyll cells in C₄ plants lack RuBisCO enzyme. In the light of the above statements, choose the correct answer from the options given below:
The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:
Match List-I with List-II regarding the colour of pigments in a chromatogram: List-I A. Chlorophyll a B. Chlorophyll b C. Xanthophylls D. Carotenoids List-II I. Yellow-green II. Yellow III. Blue-green IV. Yellow to Yellow-orange
Emerson’s enhancement effect and red drop have been instrumental in the discovery of?
F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following, except:
Match List - I with List - II List-I (A) Palm bones (B) Wrist bones (C) Ankle bones (D) Digit bones List-II (I) Phalanges (II) Metacarpals (III) Carpals (IV) Tarsals
A soap bubble, having a radius of $1 \text{ mm}$, is blown from a detergent solution having a surface tension of $2.5 \times 10^{-2} \text{ N/m}$. The pressure inside the bubble equals the pressure at a point $Z_0$ below the free surface of the water in a container. Taking $g = 10 \text{ m/s}^2$ and the density of water $\rho = 10^3 \text{ kg/m}^3$, the value of $Z_0$ is: