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Vasa efferentia are the ducts leading from:

_________ is a cross between a male donkey and a female horse.

What are basic heart types in warm blooded and cold blooded animals?

A heterozygous tall pea plant is crossed with the pure dwarf pea plant. The phenotypic ratio of breeding tall pea plants to breeding dwarf pea plants shall be______.

answer the following question

1.What is Villi ?what is its function?

2. what do you mean by assimilation

3. what are the different parts of small intestine? name them along them along with their functions

4. what is egestion

5. What is large intestine and what are its different parts?

6. Why the length of small intestine in herbivores is longer than carnivores or omnivores?

The test-tube baby programme employs which one of the following techniques?

What is the possibility of a Y-linked trait like hypertrichosis being passed on to a son?

Where are stomata generally found?

Question 25
Which of the following is an incorrect statement?

(a) Organisms grow with time.
(b) Organisms must repair and maintain their structure.
(c) Movement of molecules does not take place among cells.
(d) Energy is essential for life processes.

The neurotransmitter for sympathetic nervous system is

A couple with curly haired husband and straight haired wife have all their children curly haired because

Mention the events taking place when the ovum is fertilized in the Fallopian tube till it is implanted the uterus of the female

What is the function of golgi bodies?

" The rate of photosynthesis increases with increase in intensity of sunlight till 0.02 % CO2 level and further increases with increase in intensity of sunlight only if CO2 level rises to 0.05%, " As per the video lesson and our book . But increase in CO2 level above 0.02% causes stomatal closure, which should reduce the rate of exchange of gases causing decrease in the rate of photosynthesis. Then why it's opposite happens?

Which is the most important factor for continuity of a species from the evolutionary point of view?

Pheromones are NOT responsible for which of the following?

In the image given below recognise the stages in prophase I based on the description

Full form of NADP

In the surgical method of contraception in females, which of the following structures are ligated or cut off?

Which of the following functions is performed by 'placenta'?

Who is known as the father of modern genetics?

Enter 3 words or less.

The pulmonary circulation is all about linking _____.

Which gases are exchanged in your lungs ?

The partially digested food coming from the stomach of a person enters a long and narrow organ A in his body. The organ A receives the secretions of two glands: liver and pancreas. The liver secretes a greenish-yellow liquid B which is normally stored in the organ C. Pancreas secretes pancreatic juice which contains three digestive enzymes D, E and F. The intestinal juice completes the process of digestion of food. The inner wall of organ A has millions of tiny finger-like projections G which help in the rapid absorption of digested food into the bloodstream. The undigested part of food then passes into wider tube H which absorbs most of the water from undigested food. The last part of tube H called I stores this undigested food (or waste) for some time. The undigested food is then passed out through opening J as faeces in the process known as K.
(a) Name the organ A.
(b) Name (I) liquid B, and (ii) organ C.
(c) What are the digestive enzymes D, E and F?
(d) Name the projections G present on the inner wall of organ A. (e) Name (i) tube H (ii) part I (iii) opening J, and (iv) process K

Ovulation is the

In which of the following types of reproduction, is the parental identity lost?

The opening through which air enters our body is called ___

Identify A, B and C.

(i) Pepsinogen $\stackrel{a}{\to }$ pepsin

(ii) Maltose $\stackrel{b}{\to }$ Glucose + Glucose

(iii) Nucleic acid $\stackrel{c}{\to }$ Nucleotides

Which of the following phytohormone is not associated with the promotion of growth in plants?

(a) auxin

(b) abscisic acid

(c) gibberellin

(d) cytokinin

The transfer of pollen grains from anther to stigma is termed as _________.

Tears have the ability to destroy germs by

Identify the parts labelled I to IV.

Rajesh 's grandfather was feeling thirsty most of time . He was feeling tired and had excess of urination. Rajesh took him to doctor. Doctor gave him medicine and asked him to do walking everyday. Doctor advised him to take artificial sweetener instead of sugar.

1)What values are associated with Rajesh

2) What re the advantages of artificial sweetener and exercise in diabetes?

Which of the following determine the level of pollution in water?

_______________ can be proved by an experiment in which pieces of dry cobalt paper attached to the two surface of the leaf.

Study the following Punnett square and identify the genotypes of male and female parents