In earthworm the sense organs are located on the-
(A) Posterior part of the worm
(B) Anterior part of the worm
(C) Diffused on the entire length of the worm
(D) Only on the lateral sides of the worm.

In each question one part of the square is on the left side and the remaining part is among the four answer-figures (A), (B), (C) and (D) given on the right-side. Find out that figure of the right side, which completes the square given on the left, side. Give your answer by encircling the number of selected figure.

In each question one part of the square is on the left side and the remaining part is among the four answer-figures (A), (B), (C) and (D) given on the right-side. Find out that figure of the right side, which completes the square given on the left, side. Give your answer by encircling the number of selected figure.

Find out the correct statement related with earthworm- (A) Genital openings are present on the dorsal surface (B) Dorsal blood vessels is present on the lateral sides of the body (C) 2 common Indian Earthworm are Lumbricus and pheretima (D) First body segment is clitellum

Which of the following sense organs is present in Ascaris are chemoreceptors and located in anterior part?

The top part A of the flask-shaped reproductive organ X in the flower of a plant secretes a surgery substance into its lower part B which goes towards the bottom part C of the flask-shaped organ. When a tiny grain D coming from the top part E of another reproductive organ Y in the flower falls on part A, it grows a long tube F through the organ X in response to the sugary substance and reaches the bottom part C of flask-shaped organ to carry out fertilisation. (a) What is (i) organ X, and (ii) organ, Y inside the flower? (b) Name parts (i) A (ii) B, and (iii) C, of flask-shaped organ. (c) Name (i) grain D, and (ii) part E of organ Y. (d) Name the tube F. (e) What is the phenomeon of growing a long tube in response to a sugary substance in the process of fertilisation in a flower known as?