Biology
Assertion (A): Growth is the characteristic feature of all living beings which occurs for a limited time in animals and throughout lifetime in plants.
Reason (R): Growth means any type of reversible or irreversible change in the size, shape and weight of an individual during the process of development.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
A is true and R is false.
Explanation — A is true as in animals, growth occurs only up to a certain age (after maturity, growth stops). In plants, growth continues throughout life due to meristematic tissues. R is false as growth means any type of irreversible increase in the size and weight of an individual during the process of development.
Therefore, A is true and R is false is the correct option.
Related Questions
Assertion (A): Only one egg is produced by each ovary in human females every month.
Reason (R): Usually, both ovaries do not release egg in the same month.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Sperms are produced in testes and transported to urethra through the fallopian tubes in males.
Reason (R): On their way to urethra, sperms mix with three kinds of fluids released by the male accessory glands to form semen, the reproductive fluid.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Arrange the following terms in a logical sequence
(a) Gestation, Birth, Fertilization, Implantation
(b) Urethra, Epididymis, Sperm duct, Testis
Choose the odd one out and mention the category to which the remaining terms belong.
(a) Testis, Uterus, Vas deferens, Epididymis
(b) Ovary, Uterus, Seminal vesicle, Oviduct
(c) Vagina, Seminal vesicle, Cowper's gland, Prostate gland
(d) Amoeba, Hydra, Paramecium, Bacteria