Given below are two statements:
Statements I: Concentrated urine is formed due to counter current mechanism in nephron.
Statement II: Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium.
In the light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements :
Statement I : Concentrically arranged cisternae of Golgi complex are arranged near the nucleus with distinct convex cis or maturing and concave trans or forming face.
Statement II : A number of proteins are modified in the cisternae of Golgi complex before they are released from cis face.
In the light of the above statements, choose the correct answer from the option given below.
Match List-I with List-II:
List - I | List - II | ||
---|---|---|---|
(A) | Parturition | (I) | Several antibodies for new-born babies |
(B) | Placenta | (II) | Collection of ovum after ovulation |
(C) | Colostrum | (III) | Foetal ejection reflex |
(D) | Fimbriae | (IV) | Secretion of the hormone hCG |
Choose the correct answer from the option given below:
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Members of subphylum vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult.
Reason R: Thus all chordates are vertebrates not all vertebrates are chordates.
In the light of the above statements choose the correct answer from the option given below.