Q.1.
In earthworm testes are situated in the
-
14%
a) 10th and 11th segments
-
14%
b) 11th and 12th segments
-
57%
c) 14th and 15th segments
-
14%
d) none of these
Q.2.
The coelom in Pheretima is
-
14%
a) continuous throughout
-
29%
b) continuous throughout except in first 26 segments
-
43%
c) continuous only in first four segments
-
14%
d) divided into a number of compartments throughout
Q.3.
Chromophil cells in earthworm are concerned with the secretion of
-
14%
a) amylase
-
71%
b) proteases
-
0%
c) lipases
-
14%
d) cocoon
Q.4.
The gizzard of earthworm is an organ of
-
14%
a) secretion of slime
-
29%
b) excretion
-
14%
c) absorption of digested food
-
43%
d) crushing the food
Q.5.
Spermathecae in earthworm represents
-
29%
a) coating of sperms
-
29%
b) structure for storing sperms
-
14%
c) male Copulatory organs
-
29%
d) female Copulatory organs
Q.6.
Porphyrin of earthworm is found in:
-
29%
a) Cuticle.
-
43%
b) Epidermis.
-
29%
c) Circular muscles.
-
0%
d) Longitudinal muscles.
Q.7.
In earthworm, arrangement of blood vessels is:
-
29%
a) Different in last fifteen segments.
-
43%
b) Different in first thirteen segments.
-
29%
c) Same throughout.
-
0%
d) Different in middle thirteen segments.
Q.8.
Special feature of Pheretima are:
-
29%
a) S-shaped setae are defensive weapons against enemy.
-
14%
b) It has long, dorsal tubular heart.
-
0%
c) Fertilization of eggs occurs inside the body.
-
57%
d) Typhlosole increases effective absorptive area for digested food.
Q.9.
Which of the following match are correct in earthworm? (i) Pharynx – 1st segment. (ii) Stomach – 9th to 14th segment. (iii) Gizzard – 26th segment. (iv) Mouth – 1st segment.
-
17%
a) (i) and (ii).
-
33%
b) (ii) and (iii).
-
0%
c) (ii) and (iv).
-
50%
d) (i) and (iv).
Q.10.
Read the given statements in reference to the digestive system of cockroach: (i) Alimentary canal is divided into three regions. (ii) Oesophagus opens into sac like structure called crop. (iii) The hind gut is broader than the mid gut. (iv) The rectum opens into the anus. Which of the statements given above is/are incorrect?
-
14%
a) (i) and (iv).
-
29%
b) (ii) and (iii).
-
43%
c) (iii) and (iv).
-
14%
d) None of these.
Q.11.
Which of the following is the correct arrangement of body wall of earthworm from outside to inside?
-
25%
a) Epidermis → Cuticle → Muscle layer → Coelomic epithelium.
-
38%
b) Cuticle → Muscle layer → Epidermis → Coelomic epithelium.
-
12%
c) Cuticle → Epidermis → Muscle layer → Coelomic epithelium.
-
25%
d) Epidermis → Cuticle → Coelomic epithelium → Muscle layer.
Q.12.
Choose the correct combination labelling from the options given:
-
14%
a) 1 –Integumentary nephridia, 2 – Forests of nephridia, 3 – Septal nephridia, 4 – pharyngeal nephridia.
-
29%
b) 1 - Septal nephridia, 2 – Forests of nephridia, 3 – Integumentary nephridia, 4 – Pharyngeal nephridia.
-
29%
c) 1 - Septal nephridia, 2 – Forests of nephridia, 3 – Pharyngeal nephridia, 4 – Integumentary nephridia.
-
29%
d) 1 - Septal nephridia, 2 – Pharyngeal nephridia, 3 – Integumentary nephridia, 4 – Forests of nephridia.
Q.13.
The anterior most body part of earthworm is shown in the diagram. Identify the parts labelled:
-
50%
a) p –Peristomium, q – Prostomium, r – Setae, s – Mouth
-
17%
b) p – Prostomium, q - Peristomium, r – Setae, s – Mouth.
-
17%
c) p –Mouth, q – Prostomium, r – Setae, s – Peristomium.
-
17%
d) p – Mouth, q – Peristomium, r – Prostomium, s – Setae.
Q.14.
Chloragogen cells resemble the following in function:
-
0%
a) Collared cells.
-
33%
b) Flame cells.
-
33%
c) Plasma cells
-
33%
d) Mesophyll cells.
Q.15.
Which of the following is incorrectly matched regarding Pheretima? (i) Testis – 2 pairs, in segments 10 and (ii) Pharyngeal nephridia – 3 pairs of nephridial tusts in segments 4, 5 and (iii) Blood glands – 2 pairs in segments 11 and (iv) Lateral oesophageal heart – 2 pairs in segments 9 and (v) Anterior loops – 2 pairs in segments 10 and 11.
-
50%
a) (ii), (iii) and (iv).
-
17%
b) (i), (iv) and (v).
-
33%
c) (ii) and (iii).
-
0%
d) (iii) and (iv).
Q.16.
Phallomeres are:
-
50%
a) Olfactory sense organs of cockroach.
-
17%
b) Bundles of sperms glued together in cockroach.
-
17%
c) Soft pad of tissue seen between the claws of cockroach.
-
17%
d) Chitinous exoskeleton surrounding the male genital pore of cockroach.
Q.17.
As a reason of the contraction of the tergo-sternal muscles in the abdomen of cockroach:
-
0%
a) Abdomen expands.
-
0%
b) Expiration.
-
33%
c) Blood is pumped anteriorly to sinus again.
-
67%
d) Both (B) and (C).
Q.18.
In the circulatory system of Pheretima label the parts 1-4.
-
0%
a) 1 – Lateral hearts, 2 – Subneural vessel, 3 – Commissural vessel, 4 – Lateral oesophageal vessel.
-
83%
b) 1 – Lateral hearts, 2 – Lateral oesophageal vessel, 3 – Subneural vessel, 4 - Commissural vessel.
-
17%
c) 1 – Lateral hearts, 2 – Commissural vessel, 3 – Subneural vessel, 4 – Lateral oesophageal vessel
-
0%
d) 1 – Commissural vessel, 2 – Lateral hearts, 3 – Lateral oesophageal vessel, 4 - Subneural vessel.
Q.19.
Which of the following is correctly stated as it happens in the common cockroach?
-
0%
a) Malpighian tubules are the excretory organs projecting out from the colon.
-
40%
b) Oxygen is transported by haemoglobin in blood.
-
0%
c) Nitrogenous excretory product is urea.
-
60%
d) The food is ground by mandibles and gizzard.
Q.20.
Mark the incorrect statement about the body wall of earthworm:
-
0%
a) Body wall is covered externally by a thin non cellular cuticle.
-
67%
b) Below the cuticle epidermis is present which is made up of compound columnar epithelium.
-
0%
c) Epidermis contains secretory cells which produce mucous.
-
33%
d) Circular and longitudinal muscles are present and an innermost lining of Coelomic epithelium.
Q.21.
The glands that produce an obnoxious smell in the body of Periplanata:
-
50%
a) Utricular glands.
-
0%
b) Dermal gland cells.
-
50%
c) Oenocytes.
-
0%
d) Collateral glands
Q.22.
Genital pouch in male cockroach is:
-
17%
a) Dorsally bound with 9th terga but ventrally with 9th sterna.
-
33%
b) Dorsally bound with 9th and 10th terga but ventrally with 9th pleura only.
-
17%
c) Dorsally bound with 9th and 10th sterna but ventrally with 9th terga only.
-
33%
d) Dorsally bound with 9th and 10th terga but ventrally with 9th sterna only.
Q.23.
Parts of earthworm in the pre-clitellar segments are:
-
25%
a) Ovary, testis, seminal vesicles, Gizzard and spermatheca.
-
25%
b) Typhlosole, Prostate, Stomach, spermatheca.
-
0%
c) Male Gonopore, accessory glands, lateral hearts.
-
50%
d) Anterior loops, lateral hearts, lateral oesophageal hearts, intestinal caeca.
Q.24.
Choose the correct combination from the labelling in the options:
-
0%
a) a –Ovary, b – oviduct, c – cloaca, d – urinary bladder, e – ureters, f – cloacal aperture.
-
50%
b) a –Ovary, b – oviduct, c – cloaca, d – cloacal aperture, e – ureters, f – urinary bladder.
-
25%
c) a –Ova, b – ovary, c – cloacal aperture, d – urinary bladder, e – cloaca, f – oviduct.
-
25%
d) a –Ova, b – oviduct, c – ureters, d – urinary bladder, e – cloaca, f – cloacal aperture.
Q.25.
Which statement is/are true for cockroach?
-
0%
a) Cockroach has 13 hearts.
-
0%
b) Alary muscles are present in pericardial sinus.
-
25%
c) Cockroaches move on smooth surface with the help of arollium.
-
75%
d) Both (B) and (C) are correct.
Q.26.
Which of the following is not present in or on the head of cockroach?
-
25%
a) Compound eyes.
-
25%
b) Ocellus.
-
0%
c) Pronotum
-
50%
d) Antennae.
Q.27.
Which type of wings in cockroach are opaque, dark and leathery? (i) Forewings. (ii) Mesothoracic wings. (iii) Metathoracic wings. (iv) Protharacic wings. (v) Tegmina. (vi) Hindwings.
-
0%
a) (i) and (ii) only.
-
50%
b) (iii), (iv) and (v) only.
-
25%
c) (i), (ii) and (v) only.
-
25%
d) (i), (ii) and (vi) only.
Q.28.
The structure which is not related to Metathoracic segment in cockroach is:
-
0%
a) Legs.
-
0%
b) Wings.
-
50%
c) Spiracles.
-
50%
d) Anal cerci.
Q.29.
Read the following statements about earthworm: (i) Pheretima belongs to class Oligochaeta of phylum Annelida. (ii) The ventral nerve chord appears to be single but it is dorsal. (iii) The dorsal wall of the intestine from 36th to 95th segment forms Typhlosole. (iv) Ammonetelic when plenty of water is available. (v) The prostomium is the first segment. Of the above statements:
-
25%
a) Only one is true.
-
0%
b) Three are true.
-
25%
c) Four are true.
-
50%
d) All are true.
Q.30.
In cockroach moulting is induced by the secretion of:
-
25%
a) Protharacic gland.
-
0%
b) Corpora allanta.
-
50%
c) Corpora cardiaca.
-
25%
d) Neurosecretory cells.