HUMAN HEALTH AND DISEASE CLASS 12 BIOLOGY

BIOLOGY CLASS 10

CLASS 12 BIOLOGY CHAPTER 2 SEXSUAL REPRODUCTION IN FLOWERING PLANTS OBJECTIVE QUESTIONS MCQ'S TEST

CLASS 12 BIOLOGY LESSON 1 REPRODUCTION IN ORGANISM OBJECTIVE QUESTIONS MCQ'S TEST

In Class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology.

In class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both mathematics and biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology or both.

Bovine Spongiform Encephalopathy (BSE) disease is related to which human disease ?

In Class XI of a certain school, there are 30 students in a Mathematics class and 20 students in Biolog class. Find the number of students which are in Mathematics class or in Biology class in the following cases: (i) Two classes are conducted at the same time. (ii) Two classes are condcuted at different time and 5 students study both the subject

The class marks of a distribution are 12, 18, 24, 30. Find the class interval.

Evolution part 1|class 12

Evolution part2 |class 12