STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

Which statements are incorrect for malaria ?
(i) Plasmodium vivax, P. malariae and P. falciparum are different species of Plasmodium which are responsible for different types of malaria.
(ii) Malignant malaria caused by P. vivax is the most serious one and can even be fatal.
(iii) Malaria parasite requires two hosts-human and mosquitoes-to complete its life cycle.
(iv) The female Culex mosquito is also usually acts as the vector.
(v) Infectious form of Plasmodium is gametocyte which enter in body of healthy person through the bite of infected female Anopheles mosquito.
(vi) The parasites initially multiply within the liver cells and then attack the red blood cells (RBCs) resulting in their rupture.
(vii) Haemozoin, which releases from ruptured RBCs is responsible for the chill and high fever recurring every three to four days.

Both proteins, actin and myosin are arranged in a rod-like structure in the muscles

The phylum-Mollusca lack, which one of the following

Which one of the following is not hermaphrodite animal

Which of the following is a parasite protozoan

Which of the following approaches does not give the defined action of contraceptive ?

Coelom is absent in

The hormone that maintains the secretory activity of the corpus luteum as well as the increase in the size of the mammary glands is

Choose the wrongly matched option

Which of the following statements are correct for fertilization ?
(i) The motile sperms swim rapidly enter into the uterus after insemination and finally reach fallopian tube.
(ii) Fertilisation only occurs at the ampullary - isthmic junction.
(iii) During fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of additional sperms.
(iv) The secretions of the acrosome help the sperm enter into the cytoplasm of the ovum and induce the completion of the meiotic division of the secondary oocyte.
(v) Scientifically it is correct to say that the sex of the baby is determined by the father and not by the mother.