Biology
(Objective Part)
2013
Allowed:- 20 minutues Maximum Marks-17
Note: You have four choices for each objective type question as A, B, C and D. The choice which you think is correct fill that circle in front of that question number. Use marker or pen to fill the circles, cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type question papar and leave others blank. Use of ink remover or white correcting fluid is not Allowed
Question#1
- A large regional community primarily determined by climate is called as
(A) Biome
(B) Bio sphere
(C) Population
(D) community
- Which one of following is not a polysaccharide
(A) Chitin
(B) Cutin
(C) Pectin
(D) Dextrin
- Optimum pH for Sucrase is
(A) 3.50
(B) 4.50
(C) 5.50
(D) 6.50
- Tay-sach disease is because of absence or an enzyme that is involved in catabolism of
(A) Polysaccharides
(B) Oligosaccharides
(C) Proteins
(D) Lipids
- Measles and mumps is caused by a virus belonging to a group called as
(A) Pox virus
(B) Paramyxo virus
(C) Polio virus
(D) Adeno virus
- If Tuft of flagella is present only at one pole of bacteria then there are called as
(A) Monotrichous
(B) Peritrichous
(C) Amphi trichous
(D) Lophotrichous
- Which one of following is not a ciliate'?
(A) Stentor
(B) Trypanasoma
(C) Paramecium
(D) Vortecella.
- Sexual reproduction is absent in
(A) Deuteromycota
(B) Basidiomycota
(C) Ascomycota
(D) Zygomycota
- Arachis hypogea belongs to family
(A) Rosaceae
(B) Sola naceae
(C) Fabaceae
(D) Mimosaceae
- Which on of the following is not a sub phylum of chordata
(A) Urochordata
(B) Hemichordata
(C) Cephalochordata
(D) Vertebrata
- Common name for Ancyclostoma duodenal is
(A) Pin worm
(B) Tape worm
(C) Earth worm
(D) Hook worm
- Which one 0f following is not concerned with oxidative phosphorylation?
(A) Coenzyme
(B) Cytochrom b
(C) Cytochroro a3
(D) Plastocyanin
- Photo synthesis II has the form of chlorophyll a which absorb best the light of
(A) 670 mn
(B) 680 mn
(C) 690 mn
(D) 700 nm
- Enzyme which converts di peptides into amino acids is named as
(A) Eryprin
(B) Amino peptides
(C) Pepsin
(D) Trypepsin
- During photo respiration glycolate diffuses in the membrane bounded orgenelle named as
(A) Mitochondria
(B) Ribosome
(C) Peroxisome
(D) Golgi bodies
- Which one of following is present in interstitial fluid
(A) Red blood cells
(B) White blood cells
(C) Platelets
(D) Large protein molecules
- Discharge of blood from blood vesseI is called as
(A) Stroke
(B) Heart attack
(C) Thrombosis
(D) Haemorrhage
Biology
(Subjective)
Part 1 2013
Time Allowed: 3:10
hours Maximum
Marks:83
Section I
2. Answer briefly any Eight parts from the followings:- 8 x 2=16
- What is Hydroponic Culture Techniques?
- What do you know about Radiotherapy and Chemotherapy?
- Differentiate b/w Amylose and Amylopectin.
- hat is induced fit model?
- What is difference between pepsin and pepsinogen ?
- What is meant by inhibitors of Enzymes?
- Differentiate between infestation and disinfestation.
- Write down the scientific name of Pin worm and Hook womb
- What is madreporite.
- Define the-term Regeneration.
- What is active immunity?
- What is meant by cell mediated response?
3.Answer briefly any Eight parts from the followings:- 8 X 2=16
- Describe four postulates of gem theory.
- Why green algae are considered as ancestors of plants
- Differentiate between micronucleus and macronucleus in ciliates
- What are fronds?
- Define 0vule.
- Write two characters of apicomplexans.
- Define chemiosmosis.
- Write the two characters of zoo flagelates.
- Differentiate between obligate and facultative parasites.
- Describe alcoholic fermentation.
- What is chlorosis and what is its cause.
- How adipose tissue is formed?
4. Answer briefly any Six parts from the followings:- 6 X 2 =12
- Define endocytosis.
- What are leucocytes?
- Define a-species.
- How penicillium reproduces?
- What is Rhodotorula? Where it grows?
- What are spiracles? Give their function.
- How exchange of gases takes place in Hydra?
- What is vocal cord? Give its function.
- what is emphysema.
Section II
Note: Attempt any three questions.
Question#5
(a) Write a note on cloning.
(b) Describe four economic gains due to fungi.
Question#6
(a) Draw and describe Calvin cycle in Photosynthesis.
(b) Discuss primary and secondary structure of proteins.
Question#7
(a) Differentiate between Prokaryotic end Eukaryotic cell.
(b) Give digestion in Cockroach,
Question#8
(a) Explain characteristics of Cyanobacteria.
(b) Define and explain alternation of generations in bryophytes with its significance.
Question#9
(a) Describe the life cycle of bacteria
(b) Write a note on cardiac cycle.
Section III
10. Note: Attempt any three Parts. (5 x 3 =15)
(A)(i)You are provided with egg albumin solution and Millon's Reagent. Write bio chemical test for possible substances present in the egg.
(ii) Name the food stuff which are rich sources of proteins.
(B)(I) Flower of solenum nigrum is provided to you. Describe in technical terms following parts of flower. (1) Calyx (ii) Corolla (iii) Androecium (
(ii) Differentiate between hypogynous and epigynous flower.
(C).Sketch and label the diagram of Respiratory system of Frog
(i) Describe the procedure to study the effects of various factors (removal of some leaves) on rate of transpiration using Potometer.
(ii) Name the two factors which decrease the rate of transpiration.
(D)Following specimen/slides were studied in laboratory, give one character of each to identify.
(i) Paramecium.
(ii) Ustilagotritici
(iii) Funaria sporophyte
(iv) T.S monocot root
(E) Pinus female cone