Question 1

Rubella diseases is described first by the scientist

Accepted Answer

Abu Baqre

Question 2

The type of fracture where bone is broken at several places

Accepted Answer

Comminuted fracture

Question 3

The hormone that helps in the implantation of embryo

Accepted Answer

Progesterone

Question 4

The inner most membrane that covers the brain is

Accepted Answer

Pia - mater

Question 5

In electro - magnetic radiation, which of the following has greater wave - length than visible light

Accepted Answer

Infra - red rays

Question 6

Cretinism is due to the disorder of the glands

Accepted Answer

Cretinism is a disease caused by hypothyroidism (less thyroxine formation) . The symptoms of the disease are retardation of mental, physical and sexual developments. potbelly, protruding tongue, dry skin etc are also indicative of this disease.

Question 7

Which of the following plays an important part in photosynthesis?

Accepted Answer

The Chloroplast contains the wonder green pigment chlorophyll which is able to trap solar energy and use it for synthesis of food

Question 8

The biogenetic law was proposed by

Accepted Answer

The biogenetic law states that ontogeny (study of development) repeats phylogeny (origin from previous group of racial history), The young one of the frog namely the tadpole is like a fish cosidered to be ancestral to frog.

Question 9

The rate of heartbeat is accelerated by the harmone

Accepted Answer

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

Question 10

Food wrapped in news paper is likely to get contaminated by

Accepted Answer

It gets contaminated by lead

Question 11

In which of the following kind of organisms is the phenomenon found where in the female kills the male after copulation __________

Accepted Answer

Spider

Question 12

Which of the following is not an Endocrine Gland?

Accepted Answer

Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands.

Question 13

What holds the sides of the DNA ladder together?

Accepted Answer

Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate. DNA is a double-stranded molecule twisted into a helix (think of a spiral staircase). Each spiraling strand, comprised of a sugar-phosphate backbone and attached bases, is connected to a complementary strand by non-covalent hydrogen bonding between paired bases. The bases are adenine (A), thymine (T), cytosine (C) and guanine (G). A and T are connected by two hydrogen bonds. G and C are connected by three hydrogen bonds.

Question 14

Which of the following statements best describes nutrient density?

Accepted Answer

Consume foods that have the most nutrition for their kcalories describes the Nutrient Density.

Question 15

Select the correct statement about the Heart Valves.

Accepted Answer

The correct statement from the given options is The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.

Question 16

Which of the following is an abnormal constituent of urine?

Accepted Answer

Normally, urine contains water and wastes, such as urea, uric acid, creatinine, and some ions. However, some of these substances may be abnormally elevated, which usually indicates that something is wrong with the body. The following are some of the abnormal constituents of urine:: Albumin Bilirubin Glucose Ketone bodies Blood Microbes White blood cells

Question 17

Sort each description by the type of RNA it describes? a) contains an anticodon b) specifies the amino acid squence for a protein c) contains exons d) has amino acids covalently attached e) is a component of ribosomes f) is the most abundant form of…

Accepted Answer

Option A) a, b, d - tRNA, c - mRNA, e, f - rRNA Is the given sorted description that describes the RNA type.

Question 18

The normal blood pressure in human beings is

Accepted Answer

120/80

Question 19

Which observation proves that a cell is a eukaryote?

Accepted Answer

Eukaryotic cells all have a nucleus. Eukaryotes are organisms that are multicellular, although there are some examples of single cellular eukaryotes. So eukaryotic cells can be either cell with a nucleus or a eukaryotic organism's cell. The most important feature to judge whether it has nucleus membrane. And for other choices, they are the common features of eukaryote and prokaryote.

Question 20

Organisms that feed on the excreta of other organisms are called

Accepted Answer

The word coprodaeum refers to the last part of the elimentary canal.The excreta (undigested, matter) comes out of that part. So, the organisms that take in such materials are called coprophagous.

Biology Questions