Biology - Mock Test 207

Question 2061

Theory of Lamarck was based on?

A) adaptive collisions B) adaptive rediations C) adaptive modifications D) none of these

---

No Details

Question 2062

Darwin’s theory of natural selection is objected, because it?

A) stresses upon slow and small variations B) explains the adaption of certain inherited characters C) stresses on interspecific competition D) explains that natural calamities take a heavy annual toll of lives

---

No Details

Question 2063

Who gave evolutionary concept of determinants ?

A) Dobzhansky B) Wright C) Weismann D) Lamarck

---

No Details

Question 2064

An old view about evolution states that the organisms were created by a super organism in the same condition as they exist now. This theory is called ______?

A) theory of special creation B) theory of natural selection C) Lamarck’s theory of evolution D) theory of spontaneous generation

---

No Details

Question 2065

The tracking of evolutionary history of organisms is ______?

A) ontogeny B) phylogeny C) analogy D) homology

---

No Details

Question 2066

Which one is not a vestigial organ in man ?

A) Wisdom teeth B) Muscles of external ear-pinna C) Fossa ovalis D) Ileum

---

No Details

Question 2067

Potato and sweet potato ______?

A) have edible parts which are homologous organs B) have edible part which are analogous organs C) have been introduced in India from the same place D) None of the above

---

No Details

Question 2068

An important evidence in favour of organic evolution is the occurence of?

A) homologous and analogous organs B) homologous and vestigial organs C) analogous and vestigial organs D) homologous organs only

---

No Details

Question 2069

Evolution and natural selection is demonstrated by?

A) DDT resistance in mosquito B) sickel cell anaemia in pygmies C) industral melanism D) all above

---

No Details

Question 2070

Which of the following leads to evolution ?

A) Separation of species leading to evolution B) Differentiation of species C) Loss of few advanced characters D) Differentiation and adaption of species as unique entities

---

No Details