MCQ_SINGLE

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In an experiment, Mendel observed that the F1 progeny plants are all tall and none are dwarf. Reason R: Stem height is a contrasting trait, with tall being dominant and dwarf being recessive. In the light of the above statements, choose the most appropriate answer from the options given below :

MCQ_SINGLE

Match List-I with List-II. List-I: (A) Excess growth hormone (B) Luteinizing hormone (C) Vasopressin (D) Oxytocin List-II: (I) Reabsorption of water and electrolytes in kidney (II) Contraction of uterus during child birth (III) Acromegaly (IV) Ovulation Choose the correct answer from the options given below:

MCQ_SINGLE

Which of the following hormone is not secreted by human placenta?

MCQ_SINGLE

One main scale division of a Vernier calliper is equal to 1 mm and the number of divisions on the Vernier scale is 10. When both the jaws touch each other, the Vernier scale shifts to the left of zero of the main scale in such a way that 4th Vernier division coincides with a division of the main scale. If this Vernier calliper measures the length of the wire to be 1 cm, the actual length of the wire is:

MCQ_SINGLE

In potash alum, the ratio of $K^{+}$ and $SO_{4}^{2-}$ ions is

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