Home
Class 12
BIOLOGY
The most primitive cell-like chemical ag...

The most primitive cell-like chemical aggregates capable of growth and divison were

A

Chemoautotrophs

B

Eobionts

C

Prokaryotes

D

Microspheres

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    SANTRA PUBLICATION|Exercise Choose more than one correct answer for the following|10 Videos
  • EVOLUTION

    SANTRA PUBLICATION|Exercise Fill in the Blanks|10 Videos
  • ENVIRONMENTAL ISSUES

    SANTRA PUBLICATION|Exercise Joint Entrance Mock Test|90 Videos
  • HEALTH AND DISEASE

    SANTRA PUBLICATION|Exercise Long answer type Question|9 Videos

Similar Questions

Explore conceptually related problems

Consider the following statement with respect to reproduction in the lower living organisms A. Organismis like yeast and Planaria reproduce asexually by means of budding B. True regeneration is observed in Hydra C. The protonema of mosses multiply by fragmentation D. In the unicellular organisms like bacteria algae and Amoeba, reproduction is synonymous with growth i.e increase in number of cells

[A] : Prostaglandins are hormone like molecules produced by many body cells of mammals [R]: Prostaglandins stimulates contraction of smooth muscles, secretion and platelet aggregation.

An individuals was on a fast for a long period of time. Which cell organelle would be the most likely one to respond to the distress signal ?

Go through the following statements (i) Phloem parenchya is absent in most of the monocot (ii) Phloem fibres store food material and other substance like resins, latex and mucilage (iii) Phloem fibre are generally absent in the primary phloem but are found in the secndary phloem (iv) Gymnosperms lack sieve tubes and albuminous cells. Which of these are correct ? a. (i), (ii) and (iii) b. (ii), (iii) and (iv) c. (i) and (iii) d. (i), (iii) and (iv)