Match the items in Column I with their uses in Column II and choose the right option.

• A - 3; B - 4; C - 1; D - 2

• A - 2; B - 1; C - 4; D - 3

• A - 3; B - 4; C - 1; D - 2

• A - 1; B - 4; C - 2; D - 3

• A - 1; B - 4; C - 2; D - 3

Which of the following statements about transgenic animals is/are false?

(i) Transgenic animals are designed to study how genes are regulated.

(ii) They are specially made to serve as models for human diseases.

(iii) Transgenic Cow, Rosie was created to produce the human protein a-1-antitrypsin.

(iv) Transgenic mice are used to test the safety of vaccines.

• (iii) only

• (i) and (iii) only

• (ii) only

• (ii) and (iii) only

• (ii) and (iii) only

Match the following and choose the correct combination from the options given

• A - 1; B - 2; C - 3; D - 4

• A - 4; B - 3; C - 1; D - 4

• A - 4; B - 1; C - 2; D - 3

• A - 2; B - 1; C - 4; D - 3

• A - 2; B - 1; C - 4; D - 3

Oogamous type of reproduction is seen in

(i) Fucus

(ii) Anabaena

(iii) Nostoc

(iv) Volvox

• (i) only

• (i) and (ii) only

• (i) and (iii) only

• (iii) only

• (iii) only

Monocotyledonous seed consists of one large shield shaped cotyledon called

• Coleoptile

• Testa

• Tegmen

• Hilum

• Hilum

Pick out the alkaloid among the following

• Morphine

• Curcumin

• Cellulose

• Ricin

• Ricin

Consider the following statements with respect to pollen grains

(a) The exine is a thin and continuous layer made up of cellulose and pectin

(b) The hard outer layer called the exine is made up of sporopollenin

(c) Sporopollenin is present ingerm pores

(d) The exine exhibits a fascinating array of patterns and designs

Of the above statements-

• (a) and (b) alone are correct

• (a) and (c) alone are correct

• (b) and (d) alone are correct

• (b) and (c) alone are correct

• (b) and (c) alone are correct

Lactational amenorrhea means

• Medical termination of pregnancy

• Oral administration of progestrogen

• Coitus interrupts

• Intrauterine insemination

• Intrauterine insemination

Foetal ejection reflex in human female induces

• The release of hormones from the placenta

• The growth and development of ovarian follicles

• The release of oxytocin from the maternal pituitary

• The release of gonadotropins

• The release of gonadotropins

90.

Identify the ecologist from the given hints

(i) Has carried out long-term ecosystem experiments using outdoor plots

(ii) In his experiments he showed that increased diversity contributed to higher productivity

• Ahmed Khan

• David Tilman

• Stanley Choen

• Ernest Chain

• Ernest Chain