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. Endocrine glands of insects which secrete juvenile hormone are All the above Corpora myecaena Corpora allata Corpora albicans None 2. 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- (iv); E- (v); F- (vii); G- (vi) A- (i); B- (iii); C- (ii); D- (v); E- (iv); F- (vii); G- (vi) A- (i); B- (ii); C- (iii); D- (iv); E- (v); F- (vi); G- (vii) A- (i); B- (ii); C- (iii); D- (v); E- (iv); F- (vi); G- (vii) None 3. 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 4. Nephridiopores present over the body of earthworm belong to Pharyngeal nephridia Septal nephridia Integumentary nephridia Peptonephridia None 5. One very special feature in the earthworm (Pheretima) is that The typhlosole greatly increases the effective absorption area of the digested food in the intestine The S-shaped setae embedded in the integument are the defensive weapons used against the enemies It has a long dorsal tubular heart. Fertilization of eggs occurs inside the body None 6. Which pair of spiracles are borne dorsolaterally over the tergum instead of pleura Second thoracic First abdominal Second abdominal First thoracic None 7. 7-8 finger like blind tubules open into anterior part of midgut of Cockroach. They are Hepatic caeca None of these Intestinal caeca Malpighian tubules None 8. Choose the correct answer from the allternatives given.How many pairs of spiracles are found in cockroach? 2 pairs in thorax and 8 pairs in abdomen 1 pair in thorax and 8 pairs in abdomen 3 pairs in thorax and 8 pairs in abdomen 2 pairs in thorax and 6 pairs in abdomen None 9. The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of Potassium urate Ammonia Calcium carbonate Urea None 10. In cocroach elytra are articulated to the tergites of Mesothorax Abdomen Prothorax Metathorax None 11. Which of the following blood vessels in earthworm is both collecting as well as distributing? Lateral oesophageal vessel Ventral vessel Dorsal vessel Sub neural vessel None 12. Ocelli or fenestrae of Cockroach take part in Perception of light Perception of temperature Perception of humidity Sight None 13. 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- III, B- IV, C- II, D- I A- I, B- II, C- III, D- IV A- IV, B- III, C- II, D- I A- III, B- IV, C- I, D- II None 14. Select the correct option:In the mouth parts of a cockroach, the labium forms _______ (i) while _____ (ii) acts as a tongue. (i)- upper lip; (ii)- maxilla (i)- lower lip; (ii)- maxilla (i)- upper lip; (ii)- hypopharynx (i)- lower lip; (ii)- hypopharynx None 15. Typhlosole of Earthworm is a device for Increasing absorptive area Extra secretion of digestive enzymes Slowing down passage of food Crushing of food None 16. In voluntary muscle movement, which of the following process occurs only if ATP is present? Myosin to bind to actin Tropomyosin to become separated from troponin Myosin becoming separated from actin Tropomyosin to bind to troponin None 17. In the blood circulation of Pheretima, the blood collected by lateral oesophageal blood vessel flows into supra oesophageal blood vessels through Anterior loops and ring vessels Lateral hearts and anterior loops Lateral hearts and commissural blood vessels Lateral oesophageal hearts and ring vessels None 18. Smooth muscles are found in all the sites mentioned below except: Alimentary tract External muscle of the eye ball Uterus Oviduct None 19. 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 (iii) only (ii) and (iii) (i) and (v) (iv) only None 20. Choose the correct answer from the allternatives given.What is the anterior pair of wings called in cockroach? Cerci Elytra Sternum Tergum 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.