Morphology of Cockroach

Q. The exoskeleton in cockroach consists of hardened plates known as

1. sternites
2. sclerites
3. arthrodial membrane
4. tergites

Q.

What is the fertilisation in cnidaria , annelida , mollusca (internal or external ) ..??? And development in cnidaria and annelida ( direct or indirect )...???

Q.

Are humans autotrophs?

Q. The flexible membrane that joins the sclerites in arthropods is known as

1. articular membrane
2. arthrodial membrane
3. both a and b
4. none of the above

Q. Graafian follicles are found in:–

1. Ovaries of all vertebrates
2. Ovaries of all Amniotes
3. Testes of mammals
4. None of these

Q.

Differentiate between male and female cockroaches on the basis of external morphology.

Q. The optic lobes in humans are represented by the corpora

1. Allata
2. Bigemina
3. Arenacea
4. Quadrigemina

Q. In cockroach, the sclerites present on the dorsal side are called .

1. sclerites
2. sternites
3. tergites
4. arthroidal membrane

Q. The terga sterna and pleura of cockroach body are joined by

1. Cementing glue
2. Muscular tissue
3. Arthrodial membrane
4. Cartilage

Q.

Fill up the missing words in relation with thorax in cockroach :

The Fore wings in roaches are called________(i)________. They are opaque, dark and leathery and cover the_______(ii)_____ when at rest. The hind wings are _______(iii)________, membranous and are used in _____(iv)____.

1. (i) ⇒ Transparent, (ii) ⇒ Flight, (iii) ⇒Tegmina or Elytra, (iv) ⇒Hind wings.

2. (i) ⇒ Hind wings, (ii) ⇒Transparent, (iii) ⇒ Flight, (iv) ⇒Tegmina or Elytra.

3. (i) ⇒ Flight, (ii) ⇒Tegmina or Elytra, (iii) ⇒Hind wings, (iv) ⇒Transparent

4. (i) ⇒Tegmina or Elytra, (ii) ⇒Hind wings, (iii) ⇒Transparent, (iv) ⇒ Flight

Q. The body cells in cockroach discharge their nitrogenous waste in the hemolymph, mainly in the form of:

1. Calcium carbonate
2. Ammonia
3. Potassium urate
4. Urea

Q. Stereocilia are found in

1. ureter
2. uterus
3. epididymis
4. all of the above

Q. Which of the following is not a part of cockroach leg?

1. Tarsal claws
   
2. Arolium
3. Tarsomeres
4. Caudal style

Q.

How many malpighian tubules are present?

Q. what is the main function of leydig cell??

Q.

Is a butterfly radial or bilateral?

Q.

Are humans detritivores?

Q. Which of the following is true in case of Periplaneta americana?

1. They are diurnal
2. They are carnivores
3. They are hermaphrodites
4. Their body is segmented

Q.

Which insect has colourful wings?

Q. Which of the following features is not present in Periplaneta americana ?

Q. Compound eyes are found in

1. cockroach
2. roundworm
3. flatworm
4. earthworm

Q.

Match the terms in column I with those in column II:

$\begin{array}{cc}ColumnI& ColumnII\\ \left(a\right)Compoundepithelium& \left(i\right)Alimentarycanal\\ \left(b\right)Compoundeye& \left(ii\right)Cockroach\\ \left(c\right)Septalnephridia& \left(iii\right)Skin\\ \left(d\right)Opencirculatorysystem& \left(iv\right)Mosaicvision\\ \left(e\right)Typhlosole& \left(v\right)Earthworm\\ \left(f\right)Osteocytes& \left(vi\right)Phallomere\\ \left(g\right)Genitalia& \left(vii\right)Bone\end{array}$

Q. From egg-laying to the development of adult cockroach. How many times does moluting occur?

1. 10-12 times
2. 6 times
3. 9 times
4. 3-4 times

Q. Match Column-I with Column-II for housefly classification and select the correct option using the codes given below :

Column I	Column II
a. Family	1. Diptera
b. Order	2. Arthropoda
c. Class	3. Muscidae
d. Phylum	4. Insecta

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

Q. Find out the correct option about Coelenterata :

1. Cnidoblast and bilateral symmetry
2. Cnidoblast and radial symmetry
3. Choanocytes and water canal system
4. All marine and only sexual reproduction

Q. Mouth of a cockroach are placed in a downward arrangement with a smaller upper lip and a larger lower lip. This arrangement is called .

1. opisthognathous
2. hypognathous
3. prognathous

Q.
Match column I and column II.

	Column-I		Column-II
a.	Economically harmful gregarious arthropod	(i)	Buthus
b.	Radially symmetrical echinoderm	(ii)	Ophiura
c.	Chitinous exoskeleton and book lungs	(iii)	Locusta
d.	Ciliated comb plates	(iv)	Pleurobrachia

Choose the correct option.

1. a - iii, b - ii, c - i, d - iv
2. a - i, b - ii, c - iii, d - iv
3. a - ii, b - i, c - iii, d - iv
4. a - iv, b - i, c - iii, d - ii

Q. A cockroach has ............. pairs of legs.

1. 2
2. 4
3. 3
4. 6

Q.

Are butterflies insects?

Q. Describe the structure of a leg of cockroach.