STD 11 - 11. photosynthesis in higher plants — NEET STD 11 Science — Question

Which of the following statements is true regarding individuals of same species

Habitat together with functions of species constitute its

Select the odd

The ....... is a scar on the seed coat through which the developing seeds were attached to the fruit.

Which of the following statements are correct ?
(i) Vernalisation refers to the promotion of flowering by a period of high temperature.
(ii) The spring variety of crops are normally planted in the spring and come to flower before the end of the growing season.
(iii) It is not seen in biennial plants.
(iv) Subjecting cold treatment to sugar beet will result in flowering.
(v) Cytokinins specially help in delaying senescence.
(vi) Auxins are involved in regulating apical dominance.
(vii) Ethylene is specially useful in enhancing seed germination.
(viii) Gibberellins are responsible for immature falling of leaves.
(ix) Cytokinins promote senescence.
(x) Auxins control apical dominance.
(xi) Gibberellins promote shoot elongation.
(xii) Abscissic acid enables seeds to withstand desiccation.
Choose the correct option given below :-

Study the given differences between primary sludge and activated sludge and select the incorrect ones.

Primary sludge	Activated sludge
(i) It is sludge formed during primary-sew-age treatment	It is sludge formed during secondary sewage treatment
(ii) It possesses floes of decomposer microbes	It does not posses floes of decomposer microbes
(iii) It does not require aeration	Formation of activated sludge requires aeration
(iv) A lot of decomposition occurs during formation of primary sludge	Very little decomposition occurs during formation of activated sludge

Heteromorphic alternation of generations is found in

The cylindrical portion below the level of cotyledons on embryonal axis is

First product of dephosphorylation phase of glycolysis is...