which of the following is the smallest taxonomic grounp of animals having a cranium , vertabral column , ventral heart , pulmonary respiration and two

(B) Pear fruit

Column I Column II 1. Lightening b. 10000 A 2. House hold circuits a. Few amperes

The mammalian cardiac muscles are modified and are capable of generating an impulse on their own. Hence, the mammalian heart known as a myogenic heart.

The correct answer is (B) perineural sinus

Oxygen is very important for life, we humans cannot survive without oxygen. Glycolysis, link reaction and Krebs cycle do not involve oxygen. In cellular reaction, oxygen is required only during...

Anaerobic respiration produces less energy because:  1. Incomplete breakdown of respiratory substrate takes place.  2. Some of the products of anaerobic respiration can be oxidised further to release energy which shows that...

Parietal bones form the roof of cranium.

Smallest composite number = 4 = 2 × 2 Smallest prime number = 2 We know that HCF = Product of the smallest power of each common prime factor in the numbers. HCF (4,...

1 – b  2 – c  3 – d  4 – a

1 – c  2 – e  3 – a  4 – b  5 – d