Tag: oviparous and viviparous

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Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

The process by way of which a larva or miniature adult comes out of the egg membranes is known as

  1. Hatching

  2. Emboly

  3. Epiboly

  4. Ingression
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Larva comes out from the egg membranes is called as Hatching. Formation of a gastrula from a blastula by invagination is called as Emboly. cell movements that occur in the Gastrulation stage of embryonic development of some organisms are called as Epiboly and changes in the location or relative position of cells that takes place during the gastrulation stage of animal development is called as Ingression.

So the correct option is 'Hatching.'

Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

Organisms which give birth to young ones directly are

  1. Oviparous

  2. Ovoviparous

  3. Viviparous

  4. Both A and B
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Option C viviparous

Animals that have live births because they nourish the unborn young internally with a placenta are the mammals, except the monotremes. They retain their eggs internally until they hatch then feed the young milk. These are the viviparous mammals.

Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

A hatching egg of chick is covered by plaster of paris. It is harmful for 

  1. Mother

  2. Respiration

  3. Excretion

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Egg of the chick is porous, which allows the exchange of oxygen and carbon dioxide between the inside of the egg and the environment. If it is covered by plaster of paris, then pores will be closed which can lead to several respiratory problems.
So, the correct answer is option B.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Which of the following hormones controls metamorphosis in a frog?

  1. Adrenaline

  2. Insulin

  3. Oxytocin

  4. Thyroxine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metamorphosis includes the developmental changes during the life span of an organism. The thyroxine hormone released from the thyroid gland brings the developmental changes during the metamorphosis. Thyroxine regulates the metabolism of an organism.

So, the correct answer is option D.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

(a) Zygote divides a number of times and forms a hollow ball-like structure called  (i). 

      It moves down and gets implanted in the uterus. It starts developing body parts and at this stage,          it is called (ii).

(b) (iii) is the period in life when a girl or a boy attains sexual maturity.

(c) Production of sex hormones is under the control of _(iv)_ gland.

(d) Metamorphosis in frog requires the presence of _(v)_ in water to produce thyroxine hormone.

Choose the correct option for any of the two blanks.

  1. (i) - Fetus, (iv) - Thymus

  2. (ii) - Embryo, (iv) - Pituitary

  3. (iii) - Adolescence , (v) - Calcium

  4. (ii) - Fetus , (iii) - Senescence
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • The four introductory phases of embryonic advancement are the morula organize, 
  • the blastula arranges, the gastrula arranges and the neurula organizes.
  •  The front pituitary organ delivers the accompanying hormones and discharges them into the circulation system: adrenocorticotropic hormone, which animates the adrenal organs to emit steroid hormones.

So, the correct option is '(ii) - Embryo, (iv) - Pituitary'.
Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Match the following (w.r.t type of metamorphsis involved).

Column I Colimn II
a Paurometabolous Silk worm
b Hemimetabolous  Grasshopper 
c Holometabolous Silver fish
d Ametabolous Dragon fly

  1. a(ii), b(iv), c(i), d(iii)

  2. a(i) , b(iii) , c(iv) , d(ii)

  3. a(ii), b(iii) , c(i) , d(iv)

  4. a(ii) , b(iv) , c(iii) , d(i)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

a) Paurometabolous metamorphosis is characterized by gradual development from the immature stage i.e nymph to the adult stage. Eg- grasshopper.

b) Hemimetabolous metamorphosis is known as incomplete metamorphosis as consists of three stages of development- egg, nymph and adult stage and does not have the pupal stage. Eg- the dragonfly.
c) Holometabolous metamorphosis is called complete metamorphosis as it consists of all the four stages of development- egg, nymph, pupa and adult stages. Eg- silkworm.
d) Ametabolous development refers to the developmental process in which the immature stages are very similar to the adults and no metamorphosis occurs. Eg- silverfish.
So, the correct answer is 'a(ii), b(iv), c(i), d(iii)'.

Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

A tadpole develops into an adult frog by the process of

  1. Fertilization

  2. Metamorphosis

  3. Embedding

  4. Budding
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
A. Fertilisation is the fusion of male and female gametes and results in the formation of zygote.
B. Metamorphosis is the process by which an organism undergoes various physical changes and transforms from immature adult or larval form into a mature adult.
C. Embedding means to get stuck on something.
D. Budding is a type of asexual reproduction in which the parent cell produces one or more bud like protuberances which detach from parent cell and grow into a new individual.
Hence, a tadpole develops into an adult frog by the process of metamorphosis as it is transforming from an immature adult into an adult frog. So, the correct answer is 'Metamorphosis'.
Multiple choice biology butterfly and honey bee life cycle of a butterfly metamorphosis in frogs the life of a butterfly types of reproduction in animals oviparous and viviparous

Caterpillar and maggots are

  1. Larvae

  2. Nymphs

  3. Adults

  4. Pupa
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Caterpillar is the common name for the larvae of members of the order Lepidoptera (the insect order comprising butterflies and moths). A maggot is the larva of a fly (order Diptera). 

So, the correct answer is option A.