A plant height in Maize is control by 3 pair of polygene. Two varieties of maize averaging 120 and 90 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 105 inches in height. What will be height phenotype of F2 progenies ?

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#Question id: 3469

#Unit 11. Evolution and Behavior

Individual A is cousin of B individual? During altruistic act A individuals get benefitted from B individual is 80. What is at least value of cost scarified by individuals A?

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#Question id: 12519

#Unit 6. System Physiology – Plant

Some given  statements about biosynthesis of Abscisic acid ;

a) ABA is synthesized in almost all cells that contain chloroplasts or amyloplasts

b) ABA is a 15-carbon terpenoid, or sesquiterpenoid, which is synthesized in plants by an indirect pathway via 40-carbon carotenoid intermediates

c) Cleavage of the carotenoid by the enzyme NCED (9-cis-epoxycarotenoid dioxygenase) is a rate-limiting

d) Oxidation by ABA-8′-hydroxylases lead to ABA inactivation, ABA can also be inactivated by conjugation, but this is irreversible. Both types of inactivation are also tightly regulated.

Which of the following  combination from the above statements  is correct?

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#Question id: 2269

#Unit 2. Cellular Organization

The rough ER is so named because it has an abundance of _______________ on it.

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#Question id: 11657

#Unit 10. Ecological Principles

In the following diagram, three models succession are represented. In this diagram A,B,C and D are the species  and arrows indicate replaced by

Based on the above, which statement is correct.

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#Question id: 103

#Unit 1. Molecules and their Interaction Relevant to Biology

Lipids may be either hydrophobic or ________.