SAT (Stage-1) M...

Organisms like jellyfish, viperfish, tube worms and sea cucumbers are found in which of the following zones?

Which of the following statements is/are false?

a. The fusion of a sperm with an egg to form a zygote during sexual reproduction is called fertilisation.
b. The ovum has a head, a middle piece and a tail.
c. All multicellular animals start their life from a single cell called zygote.

Five stimuli give five types of tropism. Which of the following is the stimulus in the process of thigmotropism?

The undigested and unabsorbed food from small intestine enters into organ B. The organ B absorbs most of the water from the undigested waste food material making it semi-solid. This semisolid waste is stored in part C of organ B for some time. It is passed out from the body through part D in the form of feces.

What are B, C and D respectively in the above passage?

Which of the following parts occur(s) in the reproductive system of flowering plants as well as that of human females?

If p(x) = x² – k and x = 7 is a zero of p(x), then find the value of k.

The sides of a rectangular park are in the ratio 3 : 2 and its area is 3750 square metres. The total cost of fencing the park at 50 paise per metre is

Length and width of a rectangle are in the ratio 5 : 2. If the sum of length and width is 63 units, what will be the width and length of the rectangle respectively?