CBSE 12th Biology

Last 5 year solutions (2011 - 2015)

Prepare for CBSE class 12 Biologyboard paper with the help of previous years (2011-2015) solved question papers.
6 video solutions

CBSE Board Papers Class 12 - 2013 - Biology - Question 28 b (OR (b))
by added on Mon Mar 02 14:14:30 UTC 2015 160 views
Question - Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 12 - 2013 - Biology - Question 29 a
by added on Mon Mar 02 14:13:51 UTC 2015 141 views
Question - Describe the asexual and sexual phases of life cycle of malaria in humans. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 12 - 2013 - Biology - Question 23
by added on Mon Mar 02 14:16:17 UTC 2015 92 views
Question - Differentiate between inbreeding and outbreeding in cattle. State one advantage and one disadvantage for each one of them. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 12 - 2013 - Biology - Question 21
by added on Mon Mar 02 14:17:04 UTC 2015 86 views
Question - (a) Why is human ABO blood group gene considered a good example of multiple alleles? (b) Work out a cross up to F1 generation only, between a mother with blood group A (Homozygous) and the father with blood group B (Homozygous). Explain the pattern of inheritance exhibited. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 12 - 2013 - Biology - Question 30 (a, b)
by added on Mon Mar 02 14:13:04 UTC 2015 83 views
Question - (a) What is Thalassemia? (b) How would you counsel the family not to blame the mother for delivering a child suffering from this disease? Explain. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 

CBSE Board Papers Class 12 - 2013 - Biology - Question 28 a (a)
by added on Mon Mar 02 14:15:26 UTC 2015 78 views
Question - Draw a diagrammatic sectional view of a mature anatrop following parts in it: (i) that develops into a seed coat. (ii) that develops into an embryo after (iii) that develops into an endosperm in an albuminous seed. (iv) through which the pollen tube gains entry into the embryo sac. (v) that attaches the ovule to the placenta. Vedantu - Your Personal Teacher Online - Get an clear edge over other students by constant revision of important topics with an awesome teacher. - Get your doubts and questions resolved instantly by booking an instant live session - Prepare for competitive exams with our exam courses and achieve your goal - Skipped a topic in tuitions? Learn it on Vedantu by taking our topic courses

 
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