Biology Answers

1. Discuss the type of virus associated with the pandemic considering the type of cells they infect and the molecular mode of infection.

2. How does polymerase chain reaction work in terms of amplication, sensitivity, cost and types of Polymerase chain reaction.

3. Differences between traditional and pooling protocols.

a. Outline two physiological and morphological characteristics that determine the ability of grasses and shrubs to tolerate grazing respectively.

b. Briefly explain the importance of plant metabolic reserves in grazing management.

Is there a difference between incidence and incidence rate with infectious diseases?

Peripheral/generalised oedema occurs in right heart failure due to:

a) Increased pressure in the right ventricle which flows back into the vena cava and peripheral veins

b) Increased pressure in the left atrium which flows back into the veins and capillaries of the lungs

c) Movement of fluid into the alveoli

d) Decreased peripheral venous pressure

The problems of survival of animals on land are very different from those of survival of animals in an aquatic environment. Describe five problems associated with animal survival in terrestrial environments but not in aquatic environments. For each problem, provide an evolutionary solution.

How physical strong are African lion compared to bengal tiger and Siberan tiger Like how strong are they for dragging carcass around in their mouth, how strong is their physical muscular body for combat as siberan tiger is biggest but the lion looks more muscular body?

So like my previous question resilience, I’m trying to ask what type of training will it take to increase human body to take hits from strong people like of I get punch it will hurt a lot but if I train my body to get tougher body that the punch from strong person could feel less pain and I continue to fight back? What type of training will it take to increase resilience to handle pain

Write a short note on molecular evolution.

Mammals do they really lived in solitary like most felines, grizzly bears, and others. Why not have symbiotic relationship like badger with coyotes. Why not Siberian tigers or bears?

What are various evidences used for modern taxonomic classification ? Give suitable
examples in support of your answer.