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