Which of the following is toughest ?

Related MCQs

• Which option is correct for endemism.. 1. Any group which can be found in small region. 2. Any group which can be found in large region. 3. Group of species which can be found in definite region. 4. Any group which can be not found anywhere else. 5. Endemic species which can be found everywhere.
• Which of the following statements are true? P : Those which have molecular weights 596 Dalton are called micromolecules. Q: Those which have molecular weights 1288 Dalton are called macromolecules. R: Lipids have molecular weight more than ten thousand Dalton and above. S: Biomolecules are of three types (i) micromolecules (ii) simply biomolecules and (iii) macromolecules.
• Which disorder is isolated in the given diagram, and which of the following opotion is correct for its effects.
• Few statements are given below in reference with Thermodynamics, Which of the following option shows all correct statements for it ? (I) Amount of energy is constant. (II) During transfer of energy some amount of energy is converted in to heat. (III) Free energy = energy which can do work. (IV) At each tophic level amount of stored energy reduces.
• Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements (i) cone cells are less sensitive than Rod cells (ii) They are responsible for colour vision (iii) Erythrolobe is photopigment which is sensitive to red colour light (iv) They are absent in fovea of retina
• Which option is correct for the few statements are given for the function of cerebram, which of few following option is shows all correct statements. (i) to control the sensitivity,movement,memory,vocabulary etc. through the frontal lobe (ii) to control the vision and adaptation through the occipital and frontallobes (iii) to control the contraction of voluntary muscles through the frontal lobe (iv) to control the temperature,taste,touch,pain etc, through the parietal lobe
• Match Column – I with given under Column – II ; choose the answer which gives correct combination: Column – I(Scientists) Column – II(Contributions) P. A pigment which absorbs red and far-red light (i) Cytochrome Q. Main pigment involved in transfer of electrons in (ii) PEP carboxylase photosynthesis is R. NADPH2 is generated through.... (iii) Photochrome S. Enzyme which fixes CO2 in C4 plants (iv) Photosystems
• The Calvin cycle proceeds in three stages 1. reduction, during which carbohydrate is formed at the expense of the photochemically made ATP and NADPH 2. regeneration, during which the carbon dioxide acceptor ribulose – 1, 5 – biphosphate is formed 3. carboxylation, during which carbon dioxide combines with ribulose – 1, 5 - biophosphate
• Which of the following structure are made of several layer's of cells :-
• Which of the following structure is not covered by epithelial tissue :-