10th class Biology paper 2017 federal board

Section-A is compulsory.10th class Biology paper 2017 federal board All parts of this section are to be answered on the question paper itself
a & should be completed in the first 20 minutes and handed over to the Centre Superintendent
Deleting/overwriting is not allowed. Do not use lead pencil. take one now fresh

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BIOLOGY SSC-1I 10th class Biology paper

BIOLOGY SSC-1I
~ SECTION — A (Marks 12)
Time allowed: 20 Minutes
NOTE:
~ Q.1 Circle the correct option L.e. A/B/C /D. Each part carries one mark.
a @ In woody stems and mature roots, the gaseous exchange takes place through:
_ A Stomata B. Cuticle Cc. Lenticel Oo. General Surface
(i) During unfavorable conditions, Amoeba reproduces asexually by:
_ A Binary Fission B. Spore Formation
_ c. Fragmentation D. Multiple Fission
(iid) The disease in which virus destroys white blood celts and results in loss of immunity against infections
~ is called:
~ A Lungeancer B. AIDS Cc. Arteriosclerosis D_ Pneumonia


a (iv) Which of the following nervous systems is responsible for “Fight or Flight” response?:
A Somatic B. Sympathetic
~ Cc. Parasympathetic D. Autonomic
—~ {v) The opening of Larynx is called:
A Glottis 8. Epiglottis ¢c. Trachea D. Pharynx
~ (vi) Acrylic acid produced by Bacillus bacteria is used in:
~ A. Plastics 8. Cosmetics

2017 federal board 10th class Biology paper


7 C, Leather treatment D. Vinegar
(vil) Digitalis, the cardiotonic which is used to stimulate heart is made from the leaves of:
An Opium B. Kelkar Cc. Foxglove D. Cactus
(vill) How many genetically different kinds of gametes an individual with genotype AABB can produce?
A 4 8. 2 c. 4 D. 8
(ix) Ail of the following are produced through Artificial selection from wild Mustard EXCEPT:
A. Turnip B. Kale Cc. Kohlrabi 0. Broccoli
(xX) The number of cranial bones in the skull is:
An 8 8. 14 Cc. | 22 D. 26
a (xi) The part of inter ear which contains receptors for hearing is called:
. 7 eo Ek be a Camicinnilar canals

10th class Biology paper 2017 federal board
10th class Biology paper 2017 federal board

Sections B and C

The time allowed: 2:40 Hours Total Marks Sections B and C: §3
a
a NOTE: Answer any eleven parts from Section ‘B’ and any two questions from Section ‘C’ on them separately
provided an answer book. Use supplementary answer sheet i.e. Sheet—B if required. Write your answers
— neatly and legibly.

SECTION ~ B (Marks 33)

. SECTION ~ B (Marks 33)
_ Q.2 Answer any ELEVEN parts. The answer to each part should not exceed 3 to 4 lines. (14.x%3 = 33)
_ (i) Give a comparison between the Inspired and the Expired air.
_ ‘ ii) Define Xerophytes. Briefly writes about their osmotic adjustments.
Gil) Name the parts of the Hind Brain. Also, write their location and one function of each.
~ (iv) Briefly explain Moveable Joints.
_ (v} Name and define three types of Arthritis.
: (vi) What do you know about Corms and Bulb?
~ (vii) Write a short note on the third whorl of a Flower.
_ (vill) — How is Biotechnology important in the field of Medicine?
_ {ix) Write down the use of:
a. Thymosin b. Beta Endorphins c. Interferons
~ &) Briefly explain Narcotics and their uses.
_ (xi) What is the mode of Action of Vaccines?
(ti) Define:

10th class Biology paper objective


~ a Guttation b. Transcription c. Eutrophication
_ (xii) Differentiate between Alcoholic and Lactic acid Fermentation.
_ (xiv) What are the main sources of Variations in Sexually Reproducing Population?
(xv) Write the names and functions of glands in the Reproductive System of Male Rabbit.
_ SECTION ~ € (Marts 20)


Note: Attempt any TWO questions. All questions carry equal marks. Also, draw labeled diagrams where
™ necessary. (2.x 10 © 20)
7 a3 a Explain the structure of a Nephron, Also draw labeled diagram of Nephron. {44+2)
b. Define Asthma. Write about its Causes, Symptoms and Treatment. {04)
~ ad a White a detailed account of Anterior and Posterior lobes of the Pituitary gland. {4+3)
_ b. Define Co-dominance and explain with an example. (03)
_ Q.5 Explain different Steps of the Nitrogen Cycle. Also draw the Nitrogen Cycle. (08+02)

section q/a

10th class Biology paper 2017 federal board
10th class Biology paper 2017 federal board

SECTION — B (Marks 33 ) 10th class Biology paper new

The time allowed: 2:40 Hours Total Marks Sections B and C: 53
NOTE: Answer any eleven parts from Section ‘B’ and any two questions from Section ‘C’ on the separately provided answer book. Use supplementary answer sheet i.e. Sheet~B if required. Write your answers
Neatly and legibly.
SECTION — B (Marks 33)
Q.2 — Answer any ELEVEN parts, The answer to each part should not exceed 3 to 4 lines. (41.x3 = 33)
(i) Define and briefly explain Emphysema,
(i) How does skin help to regulate body temperature in hot and cold weather? Write briefly.
(ai) Write a short note on Haemodialysis.
(ivy Define Pyramid, Briefly explain the pyramid of Number,
(v) What is Commensatism? Briefly explain with an example.

10th class Biology paper


(vi) Briefly explain Ammonification and Nitrification.
~ (vii) How Tetracycline and Cephalosporin interfere with bacterial growth?
_ (vill) Write any three differences between the Inspiration and Expiration mechanism.
_ (ix) How does smoking affect the circulatory system?
(x) a. How do the kidneys Osmoregulate in case of water deficiency in the body?
~ b. What is Lithotripsy?
— (xi) Briefly explain Binary Fission in Eukaryotes and Invertebrates.
(xi) Refine:
~ a. Nuclacsome b. Transcription c. Incomplete Dominance

Complete the following table: Biology paper 2017 federal board

  • >
    _ :__ secondary sex characters
    (xiv) Briefly write about human Appendicular Skeleton.
    ~ (xv) a. What are the adaptations in Insect Pollinated Flowers for Cross-pollination? (any four)
    — b. Name the Industrial product produced by Bacillus bacteria.
    ~ SECTION — C (Marks 20)

SECTION — A (Marks 12) 10th class Biology paper

7 SECTION — A (Marks 12)
. The time allowed: 20 Minutes NOTE: Section-A is compulsory. All parts of this section are to be answered on the question paper itself. AOA tt should be completed In the first 20 minutes and handed over to the Centre Superintendent. Deleting/overwriting is not allowed. Do not use a lead pencil.
Q.1 | Circle the correct option i.e. A/B ‘C/D. Each part carries one mark.
™ i) The Gaseous exchange in Humans occur through:
—_ A Pharynx B. Trachea Cc. Bronchi D. Alveoli
_ {ii} in a Food Chain, Grass > Grasshopper > Frog > Snake, the secondary consumer is:
A. Grasshopper B. Frog Cc. Snake Oo. Grass
_ (ili Gums are produced as waste material by:
— A. Kelkar 8. Lady Finger —C.. Conifers Bb. Rubber Plant
(wy Which one of the following the lobe of Cerebrum is concerned with smell and hearing?
~ A. Frontal B. Parental Cc, Occipital 0. Temporal

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