Correct the following statements:
(a) Surgical methods of contraception prevent gamete formation.
(b) All sexually transmitted diseases are completely curable.
(c) Oral pills are very popular contraceptives among the rural women.
(d) In E. T. techniques, embryos are always transferred into the uterus.

Correct the following statements (a) Surgical methods of contraception prevents formation. (b) All sexually transmitted disease are completely curable. (c) Oral pills are very popular contraceptives among the rural women. (d) In E.T. techniques, embryos are always transferred into the uterus.

Which of the following statements are correct regarding surgical methods of contraception ? (i) These are generally advised to the male/female partner as a terminal method to prevent any more pregnancies (ii) Surgical procedure in male is called tubectomy and that in the female, vasectomy (iii) Reversibility is easily possible (iv) They block gamete transport and thereby prevent conception.

Which of the following statement is/are correct about diaphragms, cervical caps and vaults? (a) Barrier methods of contraception (b) Cover the cervix during coitus (C ) Protect the user from contracting STDs (d) They are reusable.

Consider the following statements with respect to the flowering plants and choose the correct option (a) Pollen grains represent the male gametes (b) Functional megaspore develops innto embryo sac that represents the female gamete (c) Transfer of pollen grains from anther to stigma of different plant is known as xenogamy (d) Transfer of pollen grains from anther to stigma of another flower of the same plant is known as geitonogamy

Which of the following statements are true (T) and which are false (F)?(a) Zero is the smallest natural number. (b) 400 is the predecessor of 399. (c) Zero is the smallest whole number. (d) 600 is the successor of 599. (e) All natural numbers are whole numbers. (f) All whole numbers are natural numbers. (g) The predecessor of a two digit number is never a single digit number. (h) 1 is the smallest whole number. (i) The natural number 1 has no predecessor. (j) The whole number 1 has no predecessor. (k) The whole number 13 lies between 11 and 12.(l) The whole number 0 has no predecessor.(m) The successor of a two digit number is always a two digit number

Among the following, the correct options for pre- fertilization events are: (a.) Gametogenesis (b.) Gametes transfer (c.) Growth of pollen tube (d.) Syngamy (e.) Embryogenesis

Consider the statements given below regarding contraception and answer is directed thereafter (a) medical termination of pregnancy (MTP) during first trimester is generally safe (b).Genearlly chances of conception are nil until mother breast feeds the infant upto two years (c). Intrauterine devices like copper-T are effective contraceptives (d). Contraception pills may be taken upto one week after coitus to prevent conceptions Which two of the above statements are correct?

The egg apparatus lies at chalazal end Read the following statements and select the correct set of statements. a. Sexual reproduction is a slow and complex , process. b. Apomixis always occurs without gamete formation. , C. Small sized organisms always have a shorter ife span. , d. Asexual mode of reproduction can occur through formation of specialised reproductive structures

Which of the following statements are correct ? (a) Bacteria are the sole members of the kingdom monera (b) Some bacteria can survive without oxygen and some of them are pathogenic (c )Bacteria reproduce by sexual method of reproduction (d)Heterotrophic bacteria use chemical energy for food synthesis (e)Some archaebacteria show symbiotic association with cattles.

Read the following statements regarding bryophytes and do as ask next to them (A) All cells of sporophyte undergo reduction division to produce haploid spores. (B) They play an important role in plant succession on barren rocks. (C) Plant body is thallus like and prostate or errect and attached to the substratum by unicellular or multicellular rhizoids. (D) They prevent soil erosion. (E) Sex organs are multicellular. Male and female sex organs are called archegonium and antheridium respectively. How many of the above statements is/are not correct ?