Heredity and Evolution
A rose plant obtained f rom self cross of het erozygous red has produced 200 f lowers. How many of them would be heterozygous red flowers ?
(1) 25 (2) 50 (3) 100 (4) 150
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Heredity and Evolution
Mendel used a number of contrasting visible characters of garden pea. Which of the following is incorrect pair of contrasting characters ?
(1) Tall/Dwarf - Height of stem
(2) Round / Wrinkled - Shape of seed
(3) White / Red - Colour of flower
(4) Yellow / Green - Colour of seed
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Heredity and Evolution
Phylogeny is the study of one of the following
(1) Development of an individual.
(2) Evolution of species.
(3) Embryonic development of an organ.
(4) Ecological adaptation of an organism.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Heredity and Evolution
The sex of a male child is determined by which of the following?
(1) The length of the mother's pregnancy
(2) The length of time between ovulation and copulation
(3) The presence of an X chromosome
(4) The presence of a Y chromosome
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Heredity and Evolution
Which one ofthe following statement is true?
(1) In humans there are two pairs ofsex chromosome.
(2) A child who inherits an x chromosome from fat her will be a boy.
(3) A child who inherits an y chromosome from fat her will be a girl.
(4) A child who inherits an x chromosome from fat her will be a girl.
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Heredity and Evolution
Potato and runners of grass is an example of
(1) Homologous organs
(2) Analogous organs
(3) Vestigial organs
(4) Atavism
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Heredity and Evolution
Choose the correct statement/statements from the following.
(A) Inter phase has three phases.
(B) Inter phase is the resting stage between two divisions.
(C) Inter phase is the period when genetic material makes its copy.
(D) Inter phase is the act ive phase between two divisions.
(1) A, B (2) B, C (3) A, B, C (4) A, C, D
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Heredity and Evolution
According to the evolutionary theory, for motion of a new species is generally due to
(1) Sudden creation by nature
(2) Accumulation of variations over several generations
(3) Clones formed during asexual reproduction
(4) Movement of individuals are habitat to other
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Heredity and Evolution
Which of the following is the correct scientific name of man?
(1) Homo Sapiens
(2) Homo sapien
(3) Homosapien
(4) Homo sapiens
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
