Subjective Type

Fill in the blanks: (a) Humans reproduce .............. (asexually/sexually). (b) Humans are ............ (oviparous, viviparous, ovoviviparous). (c) Fertilisation is ............. in humans (external/internal) (d) Male and female gametes are ............. (diploid/haploid). (e) Zygote is ............. (diploid/haploid). (f) The process of release of ovum from a mature follicle is known as .............. (g) Ovulation is induced by a hormone called ............. (h) The fusion of male and female gametes is called .............. (i) Fertilisation takes place in .............. (j) Zygote divides to form ............. which is implanted in uterus. (k) The structure which provides the vascular connection between fetus and uterus is called ............

Solution

a) Humans reproduce sexually.
(b) Humans are viviparous.
(c) Fertilisation is internal in humans.
(d) Male and female gametes are haploid.
(e) Zygote is diploid.
(f) The process of release of ovum from a mature follicle is called ovulation.
(g) Ovulation is induced by a hormone called Leutinizing hormone.
(h) The fusion of male and female gametes is called fertilization.
(i) Fertilisation takes place in oviduct.
(j) Zygote divides to form blastula which is implanted in uterus.
(k) The structure which provides vascular connection between fetus and uterus is called umbilical cord.

SIMILAR QUESTIONS

Introducing Biology

Cuboidal epithelium with brush border of microvilli is found in

Introducing Biology

Which one of the following pairs of structure is correctly matched with their correct description?

Introducing Biology

Achondroplasia is a disease related with the defect in the formation of

Introducing Biology

What are the following and where do you find them in animal body. (a) Chondrocytes (b) Axons (c) Ciliated epithelium

Introducing Biology

Cartilage is formed by _______________.

Introducing Biology

Select the correct option: Match column I with column II and select the correct option from the codes given below: Column I Column II (A) Hyaline cartilage (i) Pectoral girdle of frog (B) Fibrous cartilage (ii) Long bones, sternum, ribs (C) Elastic cartilage (iii) Public symphysis (D) Calcified cartilage (iv) Eustachian tube, epiglottis

Introducing Biology

Consider the following statements (i)- (iii), each with one or two blanks. (i) Bones have a hard and non-pliable ground substance rich in _____ (1) and _____ (2) which give bone its strength, (ii) Some of the columnar or cuboidal cells get specialised for secretion and are called ______ (3) epithelium (iii) ______ (4) junctions help to stop substances from leaking across a tissue. Which one of the following option, gives the correct fill ups for the respective blanks from (1) to (4) in the statements?

Introducing Biology

Mammalian bone differs from cartilage in the presence of _______________.

Introducing Biology

Which of the following is a wrongly matched pair?

Introducing Biology

Read the statements A, B, and C and choose the correct set in option. i. Bones have a hard and pliable matrix. ii. In all connective tissue, except blood the cells secrete fibres. iii. In glandular epithelium the modified cells are either columnar or cuboidal.

Contact Details