STD 11 - 17. Locomotion and movement — NEET STD 11 Science — Question

The hormones that initiates ejection of milk, stimulates milk production and growth of ovarian follicles are respectively known as

Identify the wrong statements for poriferans from given statements.
(i) Metameric segmentation present in poriferans
(ii) Notochord is a mesodermally derived in poriferans.
(iii) Poriferans are primitive multicellular and have cellular level of organisation.
(iv) Digestion is intracellular in poriferans
(v) Poriferans are hermaphrodite and fertilisation is internal.

Which type of cancer is found in lymph nodes and spleen

Match List-l with List-II:

List-1	List-ll
A. Tertiary consumer	i. Grass
B. Secondary consumer	ii. Lion
C. Primary consumer	iii. Wolf
D. Primary producer	iv. Goat

Choose the correct answer form the options given below:

Which raw material is used in fermentation

Which of the following is not found in vertebrates

Statement I: In the centre of each 'T' band is an elastic fibre called 'M' line which bisects it.
Statement II: The thick filaments in the 'A' band are held together in the middle by a thin fibrous membrane called 'Z' line.

Man is