30 solutions available
Question 1(i)The duration for which the leaf is kept in dark to get destarch is20-24 hrs24-48 hrs12-24 hrs12-42 hrs
Question 1(vi)Assertion (A): Hypersecretion of adrenal cortex causes Cushing's syndrome.Reason (R): Symptoms of Cushing's syndrome are obesity,...
Question 1(xi)The difference between the birth rate and the death rate is callednatalitymortalitygrowth rate of populationpopulation density
Question 1(xiv)The cones contain the pigmentrhodopsinvisual purpleiodopsinBoth 1 and 2
Question 2(i)Name the following:(a) The centre of reflex action.(b) A gas responsible for greenhouse effect.(c) The site, where the sperm and ovum...
Question 2(ii)Arrange and rewrite the terms in each group in correct order so as to be in a logical sequence beginning with the term that is...
Question 2(iii)Fill in the blanks with suitable words.Spleen is the largest (a) ............... , it acts as (b) ............... , produces (c)...
Question 2(iv)Choose the odd one out from the following terms and name the category to which the other belong.(a) Sneezing, Coughing, Typing,...
Question 2(v)Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs.Column IColumn...
Question 3(ii)State the function of motor neuron and draw the path of reflex arc.
Question 3(iii)In a certain species of animals, black fur (B) is dominant over brown fur (b). Predict a genotype and phenotype of the offspring, when...
Question 3(iv)Differentiate between grana and stroma.
Question 3(v)Draw a neat and labelled diagram showing the relationship of artery, capillaries and vein.
Question 4(ii)What are the functions of adrenaline - the emergency hormone?
Question 4(iii)Differentiate between fibrin and fibrinogen.
Question 4(iv)Which gland secretes vasopressin? What is its effect on body?
Question 4(v)Draw a neat and labelled diagram of human sperm.
Question 5(ii)Why light reaction is also called the photochemical phase?
Question 5(iii)Soil pollution leads to the accumulation of pesticides in birds. This affects calcium metabolism in them. What will be the effect of...
Question 5(v)The diagram given below is of Malpighian capsule. Answer the questions that follows.(a) Name the parts labelled 1, 2 and 3.(b) Define...
Question 7(i)What is the symbol of family welfare in India?
Question 7(ii)Give differences between Stomata and Lenticels.
Question 7(iii)What is tropism? Give one example.
Question 7(iv)What are the main objective of family welfare programme?
Question 7(v)Study the diagram and answer the questions that follows.(a) Identify the experiment to be performed with this leaf.(b) What will you...
Question 8(i)Define osmoregulation.
Question 8(ii)Write the full form of MTP. In what circumstances is it recommended?
Question 8(iii)Rapidly growing industries favoured population rise. Explain by giving suitable reasons.
Question 8(iv)Write the different stages of human ancestors during evolution.
Question 8(v)Study the diagram given below and answer the following questions.(a) Identify the stage of mitosis shown in the above diagram.(b) Name...