Popular Biology Questions

Meena and Hari observed and animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect. (a) body rounded (b) body with jo ...

How do flies and other insects walk up walls without falling? ...

1. a) analogous organs indicate ---------- evolution. b) --------were functional in ancestors but are rudimentary in modern descendants. 2.under which category does it lies..??? homologous or analogous..??? a) potato and runn ...

what is the function of the androgen that is being secreted by the "leydig cells"?? ...

AB- blood can be donated to a person with a. A+ blood group b. AB+ blood group c. O- blood group d. B- blood group ...

Post you biology questions in this section :) ...

i m confused with the order of the outer layers of the eyes... SCLERA CORNEA CONJUNCTIVA... which 1 comes the first...can some1 arrange it inn right order... thnks in advance... :) ...

we know that banana is not a fruit.what is it,which part of a tree???? ...

Which of the following is smaller: atom or molecule? ...

The information given below refers to the hormone (i) secreted by endocrine glands located on top of kidneys (ii) converts glycogen into glucose (iii) helps the body to adjust to stress (a) adrenaline (b) insulin (c) progeste ...

Water reabsorption mainly occurs through (a) Bowman's capsule (b) Proximal convoluted tubule (c) Loop of Henle (d) Distal convoluted tubule and collecting tubules ...

What is the GERL system. Could someone please suggest a site on which i can find lots of info about it? Thanks in advance. ...

If anyone is able to help me out,I will be very glad. I can't answer some questions on my own. Name the following :- 1) The fully developed part of ovary containing a mature egg. 2) Inner membranous layer covering brain and s ...

when the gametes fuse to form the zygote...both the male n the female gametes, they contribute half the genetic material...do they contribute half their chromosomes..???....i don't think so...n if they do not contribute then ...

the lacrimal glands in our eyes...secrete a lubricating liquid each time we blink our eyes...one reason for the nessecity of this fluid is that it keeps our eyes moist...so..why do we require to keep our eyes moist..???? ...

Blood group A has antigen A and antibody anti B. Blood group O has no antigen. If blood group A is given to a person having blood group O, antibodies (anti A) develop in the person and hence, clumping occurs. But, if O is giv ...

Why does the skin of a person gets bluish during vasoconstriction? ...

Why do our fingers get wrinkled when exposed to water for a long time? ...

Is there any open circulatory system in the human body? ...

When someone touches my head I can feel the touch. This means there are nerves below our scalp. These nerves are called cranial nerves. OK. Bot are there holes in the cranium for these nerves??? Thanx in advance ...

what is genome???? ...

The presence of feathers and power of flight are the characteristic features of (a) mammalia (b) reptilia (c) aves (d) amphibia ...

Why are lysosomes called the suicidal bags of the cell ...

When there are itchy, red, raised, scaly patches that may blister and ooze and look like a ring, what is the disease called and among bacteria, virus and fungi what is the causative agent? ...

A characteristic feature of cardiac muscle is its (a) fatigue (b) rhythmicity (c) spindle shape (d) all of the above ...

Which of the following pairs of diseases is caused by virus? (a) rabies, mumps (b) cholera, tuberculosis (c) typhoid, tetanus (d) AIDS, syphilis ...

The reason why some mutations, which are harmful, do not get eliminated from the gene pool is that (a) they are recessive and carried by heterozygous individuals (b) they are dominant and show up more frequently (c) genetic d ...

Golden brown algae are called: Diatoms (2) Volvox (3) Ectocarpus (4) Polysiphonia ...

what is the average thickness of plasma membrane? a. 100-150 aμ b.75-100 aμ c.60-75 aμ d.75-100 aμ ...

I am doing a project on the GERL system. what are the various subtopics on which I should write? ...