Lifespan of an Organism

Q. Match the following organism with its life span
$\begin{array}{cccc}\text{p.}& \text{Fruit fly}& \text{1.}& \text{10 years}\\ \text{q.}& \text{Elephant}& \text{2.}& \text{50 years}\\ \text{r.}& \text{Horse}& \text{3.}& \text{1 month}\\ \text{s.}& \text{Rose Bush}& \text{4.}& \text{60-70 years}\end{array}$

1. p - 3, q - 4, r - 2, s - 1
2. p - 1, q - 3, r - 2, s - 4
3. p - 3, q - 2, r - 4, s - 1
4. p - 3, q - 4, r - 1, s - 2

Q. The period extending from birth up to the natural death of an individual is called

1. Reproductive phase
2. Life cycle
3. Lifespan
4. Senescence

Q. Assertion: Life span of organisms is not correlated with their sizes.
Reason: Mango trees have a much shorter life span as compared to a peepal tree.

1. Both assertion and reason are true and reason is the correct explanation of assertion.
2. Both assertion and reason are true but reason is not the correct explanation of assertion.
3. The assertion is true but reason is false.
4. Both assertion and reason are false.

Q.

Which of the following is not true about tardigrades?

1. Tardigrades minuscule size hides them from predators.

2. Tardigrades change form to survive without water.

3. They can live in boiling water, solid ice, and the intense radiation of space.

4. They’ve come into existence recently

Q. The period from birth to death of an organism represents

1. Adulthood
2. Life span
3. Juvenile period
4. Reproductive life

Q.

There is no natural death in single-celled organisms.

1. True

2. False

Q.

Find out the organism with highest life span -

1. Horse
2. Tortoise
3. Fruit fly
4. Dog