Question
Phenotype and Genotype.
| Phenotype | Genotype |
| $1.$ Phenotype refers to the outward appearance of an individual such as shape, colour, sex, etc. | $1.$ Genotype refers to the genetic composition of an individual. |
| $2.$ Phenotype can be observed directly in an individual. | $2.$ Genotype cannot be seen, but can be found out by modern techniques like $\text{DNA}$ fingerprinting. |
| $3.$ Individuals resembling each other may or may not have the same genotype. | $3.$ Individuals possessing the same genotype usually have the same phenotypic expression. |
| $4.$ The phenotypic ratio obtained in the $F_2$ generation of a monohybrid cross is $3 : 1.$ | $4.$ The genotypic ratio obtained in the $F_2$ generation of a monohybrid cross is $1 : 2 : 1.$ |
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| Column I | Column II |
| (1) Graafian follicle | (a) Site of implantation |
| (2) Uterus | (b) Birth canal |
| (3) Fallopian tube | (c) Site of fertilization |
| (4) Vagina | (d) Release of secondary oocyte |
Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve.
Write a function of Eustachian and tricuspid valve found in human heart.
| Column A (Layers of adrenal cortex) | Column B (Hormones) |
| (1) Zona glomerulosa | (A) Cortisols |
| (2) Zona fasciculata | (B) Androgens |
| (3) Zona reticularis | (C) Aldosterone |
| Column A | Column B |
| (1) Walter Rosen | (a) Popularisation of term biodiversity |
| (2) David Tillman | (b) Rivet Popper Hypothesis |
| (3) Paul Ehrlich | (c) Productivity Stability Hypothesis |
| (4) Edward Wilson | (d) Coined |