A bilobed, dithecous anther has 100 microspore mother cells per microsporangium. How many male gametophytes this anther can produce?
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Fill in the blanks with the terms that are listed below: anther, male, ovary, ovule, petals, pistil, stamen, filament.
(a)– sepals; (b)– petals; (c)– pistil; (d)– filament; (e)– anther; (f)– male; (g)– pistil; (h)– ovary; (i)– ovules
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State any two characteristics of the tapetum, present in the microsporangium of an angiosperm.
Dense cytoplasm , with more than one nucleus damaged tapetum cannot nourish the developing pollen grains
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Embryo sac is to ovule as _______ is to an anther. a. Stamen
c. Pollen grain
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The outermost and innermost wall layers of microsporangium in an anther are respectively:
d. Epidermis and tapetum
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What would be the per cent growth or birth rate per individual per hour for the same population mentioned in the previous question (Question 10)?
The correct answer is b. 200
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Suppose C = 100 + 0.75Y D, I = 500, G = 750, taxes are 20 per cent of income, X = 150, M = 100 + 0.2Y.
C = 100 + 0.75YD I = 500 G = 750 X = 150 M = 100 + 0.2Y Equilibrium income (Y) = C + c (Y - T) + I + G + X...
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The cost of table salt (NaCl) and sugar (C12H22O11) are Rs. 2 per kg and Rs. 6 per kg respectively. Calculate their cost per mole. .
(a) Cost of table salt per mole: Molecular mass of table salt (NaCl) = 23+35.5=58.5 Now, 1000 g of NaCl cost = Rs. 2 Therefore 58.5 g of NaCl will cost = 2/1000...
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In track meets both 100 yards and 100 metres are used as distances; By how many metres is 100 metres longer than 100 yards?
We need to divide by 100 here just to convert cm to meter. 1 cm = 1/100 m Hope you understand
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Pointing to a girl in the photograph,? Ramesh said “Her mother’s brother is the only son of my mother’s father.”
The correct answer is (A) Mother
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Pointing to his son’s portrait, a man said to a woman, “His mother is the only daughter of your mother”.
The correct answer is (C) Wife
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