Question

Read the following sentence carefully and choose the option having correct statements
a. units of life called spores were transferred to different planets including earth according to the theory of spontaneous generation.
b. Oparin and Haldane proposed that life arises from nonliving organic molecules by chemical evolution.
c. Psilophyton can be considered as the ancestor of conifers
d. Coelacanth possibly evolved into the first amphibians.

• A. a & b only
• B. b & c only
• C. b, c, and d only
• D. a, b, c and d

Answer 1

The correct option is C b, c, and d only

1. Units of life called spores were transferred to different planets including earth according to the theory of Panspermia.

2. Oparin of Russia and Haldane of England proposed that the first forms of life originated from pre-existing non-living organic molecules (e.g. RNA, protein etc.)

3. Psilophyton evolved into modern day Sphenopsids, ferns, ginkgos, conifers and gnetales.

4. The coelacanths constitute a now-rare order of fish that includes two extant species in the genus Latimeria: the West Indian Ocean coelacanth and Indonesian coelacanths which are considered to have evolved into first amphibians.

So, the correct option is 'b,c and d only'.