Fossil discovered in 1891 in Java around 1.5mya with 900cc brain capacity and probably ate meat. These features are associated with

(1) Homo erectus

(2) Homo habilus

(3) Neanderthal

(4) Australopithecus

With brain size of 1400cc, lived in near east and central Asia in between 100000 to 40000 years back, dead body burial, use of caves or hides to protect their body

Which of the following is not true about Homo sapiens?

Some of the marsupials of Australia resemble equivalent placental mammals that live in similar habitats on other continents. This is an example of:

A population of an animal is hunted down to only 20 organisms. Later the number is restored to 10,000 organisms, but the variations in this population are highly reduced. This is called:

1. Founder Effect

2. Bottleneck effect

3. Edge effect

4. Heterosis

What is the half life of U²³⁸, the radioactive isotope of uranium?

The earliest known members of the horse family belong to the genus:

1. Hyracotherium                                                             

2. Equus

3. Mesohippus                                                                  

4. Merychippus

In a population of red (dominant) and white flowers, the frequency of red flowers is 91 %. What is the frequency of the red allele?

 ............... operates to eliminate intermediate phenotypes.

Many bacteria are now resistant to penicillin, because: