Which of these can be observed in the mesohyl of various undisturbed sponges at one time or another?

1. amoebocytes

2. spicules

3. spongin

4. zygotes

5. choanocytes

TLS Online TPP Program

#Question id: 18604

#Unit 13. Methods in Biology

A student takes a quiz consisting of 5 multiple choice questions. Each question has 4 possible answers. If a student is guessing the answer at random and answer to different are independent, then the probability of atleast one correct answer is

TLS Online TPP Program

#Question id: 18602

#Unit 13. Methods in Biology

Suppose a unbiased die is thrown 72 times and getting a 4 on a throw is termed as success then find the variance of number of success ?

TLS Online TPP Program

#Question id: 18601

#Unit 13. Methods in Biology

The chances of killing a bird are 1 in three attempts. Find the probability that no bird is killed in 3 attempts.

TLS Online TPP Program

#Question id: 18600

#Unit 13. Methods in Biology

A coin is tossed 6 times. The probability of getting exactly 2 heads is

TLS Online TPP Program

#Question id: 18087

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get

Exactly three correct answers

TLS Online TPP Program

#Question id: 18014

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get Atmost three correct answers