BISE Gujranwala · Class 11 · Biology

BISE Gujranwala · Class 11 · Biology · 2025 · Second Annual · Group 1

2025 · Second Annual

Transcribed from the identified examination paper. Check the board, session and course before use. SchoolOrbit is not affiliated with the issuing board.

Objective

Source code: 6463 · Printed marks: 17 · Time: 20 Minutes

(2nd A 325-II)

Intermediate Part-I (11th)

BIOLOGY Paper: I First Group

OBJECTIVE

Q. No. 1

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 the relevant question number. Use marker or pen to fill in the circles. Cutting or filling of two or more circles will result zero mark in that question.

1
The dew drops that can be seen on the tips of grass leaves are due to
- (A)
  Imbibition
- (B)
  Bleeding
- (C)
  Exudation
- (D)
  Transpiration
2
Photosynthetic pigments are located in the thylakoid membrane are present in the form of clusters called
- (A)
  Cytochrome
- (B)
  Phytochrome
- (C)
  Carotenoids
- (D)
  Photosystem
3
Cells which destroy small particles by phagocytosis
- (A)
  Neutrophil
- (B)
  Eosinophil
- (C)
  Basophil
- (D)
  T-Lymphocytes
4
Notochord may persist in parts in
- (A)
  Osteichthyes
- (B)
  Chondrichthyes
- (C)
  Cyclostomata
- (D)
  Lamprey
5
During photorespiration glycine after its formation diffuses into
- (A)
  Peroxisomes
- (B)
  Mitochondria
- (C)
  Chloroplast
- (D)
  Stroma
6
The mouth is overhung by a lobed structure prostomium is present in
- (A)
  Aschelminthes
- (B)
  Annelida
- (C)
  Arthropoda
- (D)
  Mollusca
7
Goblet cells in small intestine play a role in protection as well as they secrete
- (A)
  Amylase
- (B)
  Maltase
- (C)
  Gastrin
- (D)
  Mucus
8
Eukaryotic, multicellular, autotrophic organisms are included in Kingdom
- (A)
  Plantae
- (B)
  Animalia
- (C)
  Fungi
- (D)
  Monera
9
Which of these molecules is formed upon decarboxylation of Alpha ketoglutarate?
- (A)
  Fumerate
- (B)
  Succinate
- (C)
  Oxaloacetate
- (D)
  Isociterate
10
Number of pores present in nucleus of Erythrocytes
- (A)
  3 or 4
- (B)
  6 or 8
- (C)
  30000
- (D)
  3000
11
A seed is technically defined as fertilized and ripened
- (A)
  Ovary
- (B)
  Ovule
- (C)
  Zygote
- (D)
  Egg
12
How many regions are present in active site of an enzyme?
- (A)
  8
- (B)
  2
- (C)
  4
- (D)
  6
13
Reindeer and some other large animals eat reindeer moss which is a
- (A)
  Moss
- (B)
  Fern
- (C)
  Fungi
- (D)
  Lichen
14
Human tissues have 85% water in cells of
- (A)
  Bone
- (B)
  Brain
- (C)
  Liver
- (D)
  Muscle
15
Pseudopodia are the specialized cytoplasmic projection for the locomotion in
- (A)
  Zooflagellates
- (B)
  Ciliates
- (C)
  Foraminifera
- (D)
  Amoeba
16
The number and variety of species in a place is
- (A)
  Population
- (B)
  Community
- (C)
  Biodiversity
- (D)
  Diversity
17
The phase of rapid growth in which bacteria divide at exponential rate
- (A)
  Lag Phase
- (B)
  Log Phase
- (C)
  Stationary Phase
- (D)
  Death Phase
219-(II)-2nd A 325-1860

Subjective

Source code: 219 · Printed marks: 68 · Time: 2:40 Hours

Note: Section I is compulsory. Attempt any THREE (3) questions from Section II.
2. Write short answers to any EIGHT (8) questions. (2x8 = 16)
3. Write short answers to any EIGHT (8) questions. (2x8 = 16)
4. Write short answers to any SIX (6) questions. (2x6 = 12)

SECTION-I

2
Write short answers to any EIGHT (8) questions.
Q2(i)
Draw chemical formulae of Ribofuranose (D-Ribose) and Glucopyranose (D-Glucose).
(2 marks)
Q2(ii)
Give comparison of enzyme with substrate.
(2 marks)
Q2(iii)
Differentiate activator with co-enzyme.
(2 marks)
Q2(iv)
Give importance of binding and catalytic site of enzyme.
(2 marks)
Q2(v)
Write down resemblance of fungi with animals.
(2 marks)
Q2(vi)
What is hypha? How non septate hyphae are advantageous?
(2 marks)
Q2(vii)
Write down names of the three bones of middle ear.
(2 marks)
Q2(viii)
Write down two important characters of birds.
(2 marks)
Q2(ix)
How are Echinoderms related to Chordates?
(2 marks)
Q2(x)
Write down the economic losses caused by Phylum Mollusca.
(2 marks)
Q2(xi)
Write down importance of ATP.
(2 marks)
Q2(xii)
What do you know about Biological Oxidation?
(2 marks)
3
Write short answers to any EIGHT (8) questions.
Q3(i)
Compare Theory and Scientific Law.
(2 marks)
Q3(ii)
Define biological control with examples.
(2 marks)
Q3(iii)
Write down importance of microfilaments in cell.
(2 marks)
Q3(iv)
Compare a mononucleated and multinucleated cell.
(2 marks)
Q3(v)
Write down distinguishing features of Ciliates.
(2 marks)
Q3(vi)
Write down names of three major groups of Protists?.
(2 marks)
Q3(vii)
What are polyphyletic groups?
(2 marks)
Q3(viii)
Write down contribution of Herbert Copeland in historical perspective of protists.
(2 marks)
Q3(ix)
Write down functions of Bamboo plant.
(2 marks)
Q3(x)
What do you know about Alfafa and Trifolium?
(2 marks)
Q3(xi)
What do you know about Oedema?
(2 marks)
Q3(xii)
What is a hepatic portal vein?
(2 marks)
4
Write short answers to any SIX (6) questions.
Q4(i)
What is binomial nomenclature? Give an example.
(2 marks)
Q4(ii)
What do you know about spiral shaped bacteria?
(2 marks)
Q4(iii)
How Jaundice occur in humans?
(2 marks)
Q4(iv)
Define predator prey relationship with a suitable example.
(2 marks)
Q4(v)
Write down a few lines on Ulcer.
(2 marks)
Q4(vi)
How you can differentiate Myoglobin from Haemoglobin?
(2 marks)
Q4(vii)
What is the breathing rate in humans at rest and during exercise?
(2 marks)
Q4(viii)
How pH affects the combining capacity of $O_{2}$ with Haemoglobin?
(2 marks)
Q4(ix)
How the heart of fish functions?
(2 marks)

SECTION-II

Section I is compulsory. Attempt any THREE (3) questions from Section II.

Q5(a)
What is cloning? Write down in detail.
(4 marks)
Q5(b)
Write down different functions of blood.
(4 marks)
Q6(a)
Describe the structure of ATP.
(4 marks)
Q6(b)
Describe the economic benefits of fungi.
(4 marks)
Q7(a)
Discuss the growth and reproduction of bacteria.
(4 marks)
Q7(b)
Describe the life cycle of an angiospermic plant. (Structure of angiospermic plant is not required)
(4 marks)
Q8(a)
Write down a note on structure of Viruses.
(4 marks)
Q8(b)
Why mitochondria are called power house of cell? Describe electron transport chain in mitochondria.
(4 marks)
Q9(a)
Give an account of structure and function of mitochondria.
(4 marks)
Q9(b)
Write down a note on obesity and dyspepsia.
(4 marks)

Original source references (2)

The original files and numbering are retained. Equivalent files do not repeat the questions above.

Objective · 6463 · Printed marks: 17 · Time: 20 Minutes
Subjective · 219 · Printed marks: 68 · Time: 2:40 Hours