Question

1) Blood -plasma contains ..................... of water.
(a) 90%
(b) 65%
(c) 70%
(d) 50%
2) For protein synthesis amino acids are supplied by .............
(a) - RNA
(b) m-RNA (C) r-RNA (d) Chromosomes
3) In flower ................. is female member of corolla.
(a) Petals (b) Calyx (c) Androecium (d) Gynoecium
4) Chemically vinegar is ..
(a) Protease (b) Probiotics (c) Citric acid (d) acetic acid​

Answer 1

Answer:

1.C)70%

2.B)m-rna

3.D)

4.B)

Answer 2

●Our lungs are 90 percent water, our brains are 70 percent water and our blood is more than 80 percent water.

●In protein synthesis, a succession of tRNA molecules charged with appropriate amino acids are brought together with an mRNA molecule and matched up by base-pairing through the anti-codons of the tRNA with successive codons of the mRNA.

●pistil

Floral reproduction is bisexual, and flowers have "male" and "female" parts. The "male" or pollen-bearing part is called the stamen, and is composed of the filament and the anther. The "female" or seed-bearing part is called the pistil, and is composed of the ovary, the stigma, and the style.

●Vinegar is a liquid that is produced from the fermentation of ethanol into acetic acid. ... Vinegar consists of acetic acid (CH3COOH), water and trace amounts of other chemicals, which may include flavorings. The concentration of the acetic acid is variable. Distilled vinegar contains 5-8% acetic acid.

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