Solve
Guides
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Standard X
Biology
Question

Which of the following statements is true?
  1. The structural unit of living things is molecule.
  2. All animals are autotrophs.
  3. Organisms follow a life cycle of birth, growth, reproduction, ageing and death.
  4. All organisms reproduce sexually.

A
The structural unit of living things is molecule.
B
All organisms reproduce sexually.
C
All animals are autotrophs.
D
Organisms follow a life cycle of birth, growth, reproduction, ageing and death.
Open in App
Solution
Verified by Toppr

  • All the living organism is made up of cells which constitute some organic and inorganic molecules and perform all the life process like nutrition (autotrophic or heterotrophic), reproduction (sexual or asexual), excretion.
  • Each cell arises from pre-existing cells, they divide and increase their numbers and has a certain life span, thus they undergo aging and then death. Thus, the correct answer is option D.

Was this answer helpful?
0
Similar Questions
Q1
Consider the following statements with respect to reproduction in the lower living organisms
(a) Organisms like yeast and Planaria reproduce asexually by means of budding
(b) True regeneration is observed in Hydra
(c) Protonema of mosses multiply by fragmentation
(d) In unicellular organisms like bacteria, algae, and Amoeba, reproduction is synonymous with growth, i.e., an increase in the number of cells.

View Solution
Q2
Assertion :All organisms reproduce for perpetuation of a population. Reason: Reproduction is an all inclusive characteristic of living organisms.
View Solution
Q3
Assertion (A): Reproduction cannot be an all-inclusive defining characteristic of living organisms.
Reason (R): Even non-living organisms can reproduce.
View Solution
Q4

Spore formation is an asexual mode of reproduction. Which of the following organisms reproduces asexually through spores?


View Solution
Q5
Which of the following characteristics is common to all living organisms?
(A) All living things can make their own food.
(B) All living things react or respond to their environment.
(C) All living things live forever.
(D) All living things remain the same from birth to death.
(E) All living things undergo definite change during their life.
(F) All living things excrete or throw out whatever they do not need.

(a) A, C, D
(b) A, B, E, F
(c) B, E, F
(d) all of them
View Solution