Ovoviviparous

Q. Choose the incorrect statement regarding ovoviviparous organisms.

1. They give birth to young ones
2. The embryogenesis will occur inside the body of the female parent
3. The embryo derives nourishment from the yolk present in the egg
4. Egg hatches outside the body

Q. Match the following (column 1 with
column 2):

$\begin{array}{cc}\text{Column 1}& \text{Column 2}\\ \text{p. Ovoviviparous}& \text{1. Catfish}\\ \text{q. Parthenogenesis}& \text{2. Crocodile}\\ \text{r. Oviparous}& \text{3. Aphids}\\ \text{s. External fertilization}& \text{4. Shark}\end{array}$

1. p-4, q-3, r-2, s-1
2. p-2, q-1, r-4, s-3
3. p-3, q-4, r-2, s-1
4. p-4, q-3, r-1, s-2

Q. __________ is an egg laying mammal.

1. Shark
2. Whale
3. Platypus
4. Dolphin

Q. Match the following (column 1 with
column 2):

$\begin{array}{cc}\text{Column 1}& \text{Column 2}\\ \text{p. Ovoviviparous}& \text{1. Catfish}\\ \text{q. Parthenogenesis}& \text{2. Crocodile}\\ \text{r. Oviparous}& \text{3. Aphids}\\ \text{s. External fertilization}& \text{4. Shark}\end{array}$

1. p-4, q-3, r-2, s-1
2. p-2, q-1, r-4, s-3
3. p-3, q-4, r-2, s-1
4. p-4, q-3, r-1, s-2

Q. Choose the incorrect option from the following.

1. Lizard (reptile) - Oviparous
2. Shark (mammal) - Oviparous
3. Parrot (bird) - Oviparous
4. Whale (mammal) - Viviparous

Q. Study and identify the correct combinations.
(a) Amnion - Somatopleure - Protection
(b) Allantois - Splanchnopleure - Placenta formation
(c) Yolk sac - Midgut - Nutrition
(d) Chorion - Outer wall of amniotic folds - Excretion.

1. b, d
2. a, c
3. a, b
4. b, c

Q. __________ is an egg laying mammal.

1. Shark
2. Whale
3. Platypus
4. Dolphin

Q. Function of allantois is

1. Excretion
2. Nutrition and excretion
3. Protection from shock
4. Respiration

Q. Name the membrane which protects the foetus and encloses a fluid.

Q. An important evidence of organic evolution is

1. Homologous organs only
2. Homologous and vestigial organs
3. Both A and B
4. Analogous organs only

Q.

Ovovivipary is seen in

1. Shark

2. Rattlesnake

3. Human

4. Bird

Q. Human placenta is

1. Haemochorial
2. Syndesmochorial
3. Yolk sac
4. Haemo-endothelial

Q.

Ovovivipary is seen in

1. Shark

2. Rattlesnake

3. Human

4. Bird

Q.

Most fishes and amphibians

1. are oviparous

2. are viviparous

3. are ovoviviparous

4. show internal fertilization

Q. Bull semen is stored for artificial insemination in _____________.

1. Ice
2. Liquid carbon dioxide
3. Liquid oxygen
4. Liquid nitrogen

Q. Choose the incorrect statement regarding ovoviviparous organisms.

1. They give birth to young ones
2. The embryogenesis will occur inside the body of the female parent
3. The embryo derives nourishment from the yolk present in the egg
4. Egg hatches outside the body

Q. Which of the following are ovoviviparous organisms?

1. Shark
2. Frog
3. Fishes
4. Snake

Q. __________ is an egg laying mammal.

1. Shark
2. Whale
3. Platypus
4. Dolphin

Q. Choose the correct answers from the alternatives given.
In humans, the fetus

1. is surrounded by four extraembryonic membranes
2. has developed organs and is recognizably human
3. is dependent upon the placenta for excretion of wastes and acquisition of nutrients
4. both (b) and (c)

Q. The eutherian placenta is derived from

1. Yolk sac
2. Amnion
3. Allantois
4. Chorion allantois

Q. Figure $P$ represents the reproductive organs of Chara plant and figure $Q$ represents the reproductive organs of earthworm. Select the option which correctly identifies male reproductive organs of the two organisms.

1. $A$ and $D$
2. $A$ and $C$
3. $B$ and $C$
4. $B$ and $D$

Q. In rabbit, at the time of fertilization, zygote is formed in

1. Coelom
2. Vagina
3. Uterus
4. Fallopian tube

Q. Mammalian placenta originates from

1. Allantois and chorion
2. Yolksac
3. Allantois
4. Amnion