Class 11-Biology-chapter 7- Structural Organisation in Animals InstructionTotal Questions : 20Total time :20 minTotal Marks : 20 x 3 = 60 MarksEach Correct Question carries : 3 MarksEach incorrect Question Carries : -1 MarksEach Unattempted Question carry : 0 MarksBe careful On Negative Markings 1. The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of Urea Calcium carbonate Ammonia Potassium urate None 2. Which of the following blood vessels in earthworm is both collecting as well as distributing? Lateral oesophageal vessel Sub neural vessel Dorsal vessel Ventral vessel None 3. Choose the correct answer from the allternatives given.How many pairs of spiracles are found in cockroach? 3 pairs in thorax and 8 pairs in abdomen 2 pairs in thorax and 8 pairs in abdomen 1 pair in thorax and 8 pairs in abdomen 2 pairs in thorax and 6 pairs in abdomen None 4. Smooth muscles are found in all the sites mentioned below except: Oviduct Alimentary tract Uterus External muscle of the eye ball None 5. In the blood circulation of Pheretima, the blood collected by lateral oesophageal blood vessel flows into supra oesophageal blood vessels through Lateral hearts and commissural blood vessels Lateral oesophageal hearts and ring vessels Lateral hearts and anterior loops Anterior loops and ring vessels None 6. In Pheretima, there are red coloured round bodies in 4th, 5th and 6th segments above the alimentary canal. They are believed to be involved in digestion respiration reproduction leucocyte production. None 7. Select the correct option:In the mouth parts of a cockroach, the labium forms _______ (i) while _____ (ii) acts as a tongue. (i)- lower lip; (ii)- maxilla (i)- lower lip; (ii)- hypopharynx (i)- upper lip; (ii)- hypopharynx (i)- upper lip; (ii)- maxilla None 8. 7-8 finger like blind tubules open into anterior part of midgut of Cockroach. They are Intestinal caeca Hepatic caeca Malpighian tubules None of these None 9. One very special feature in the earthworm (Pheretima) is that Fertilization of eggs occurs inside the body The S-shaped setae embedded in the integument are the defensive weapons used against the enemies It has a long dorsal tubular heart. The typhlosole greatly increases the effective absorption area of the digested food in the intestine None 10. Choose the correct answer from the allternatives given.What is the anterior pair of wings called in cockroach? Elytra Cerci Tergum Sternum None 11. Ocelli or fenestrae of Cockroach take part in Perception of light Perception of humidity Sight Perception of temperature None 12. In cocroach elytra are articulated to the tergites of Mesothorax Prothorax Abdomen Metathorax None 13. Typhlosole of Earthworm is a device for Extra secretion of digestive enzymes Slowing down passage of food Crushing of food Increasing absorptive area None 14. Which of the following statements is incorrect about the frog?(i) Eyes are bulged out and covered by a nicitating membrane that protects them while in water.(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.(iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.(iv) Feet have webbed digits that help in swimming.(v) Frogs exhibit sexual dimorphism (iv) only (ii) and (iii) (i) and (v) (iii) only None 15. Select the correct option:Match column I with column II and select the correct option from the codes given below:Column I(Parts of alimentary canal of earthworm)Column II(Respective segments)(A) Buccal cavity(i) 1-3(B) Pharynx(ii) 3-4(C) Oesophagus(iii) 5-7(D) Gizzard(iv) 8-9(E) Stomach(v) 9-14(F) Intestine(vi) 15 to last(G) Typhlosole(vii) 26-35 A- (i); B- (iii); C- (ii); D- (v); E- (iv); F- (vii); G- (vi) A- (i); B- (ii); C- (iii); D- (v); E- (iv); F- (vi); G- (vii) A- (i); B- (iii); C- (ii); D- (iv); E- (v); F- (vii); G- (vi) A- (i); B- (ii); C- (iii); D- (iv); E- (v); F- (vi); G- (vii) None 16. Which pair of spiracles are borne dorsolaterally over the tergum instead of pleura Second thoracic First thoracic Second abdominal First abdominal None 17. In voluntary muscle movement, which of the following process occurs only if ATP is present? Tropomyosin to become separated from troponin Myosin to bind to actin Tropomyosin to bind to troponin Myosin becoming separated from actin None 18. Endocrine glands of insects which secrete juvenile hormone are Corpora myecaena Corpora allata All the above Corpora albicans None 19. Match the following. Identify the correct match between Set-I and Set-II.Set-ISet-IIA) CaloreceptorsI) Cold receptorsB) ProprioceptorsII) Body surface receptorsC) FrigidoreceptorsIII) Heat receptorsD) ExteroceptorsIV) Receptors found in muscles A- IV, B- III, C- II, D- I A- I, B- II, C- III, D- IV A- III, B- IV, C- I, D- II A- III, B- IV, C- II, D- I None 20. Nephridiopores present over the body of earthworm belong to Pharyngeal nephridia Peptonephridia Integumentary nephridia Septal nephridia None Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
