SPSC LECTURER ZOOLOGY PAST PAPERS 2000 TO TILL DATE
Zoology 5 years Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
کاکروچ کے گیزارڈ _____ پر مشتمل ہے؟
- Six teeth
- Eight teeth
- Four teeth
- None of these
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Explanation
The gizzard of a cockroach, also called the proventriculus.It has six chitinous teeth for grinding food.It helps in the mechanical digestion of food before it enters the midgut.
نطفہ کے ذریعہ فرٹلائجیشن کے بغیر انڈے کی نشوونما ______ کے نام سے جانا جاتا ہے؟
- Biogenesis
- Parthenogenesis
- Gametogenesis
- None of these
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Explanation
Parthenogenesis is a form of asexual reproduction where an embryo develops from an unfertilized egg.It occurs in some insects, reptiles, and amphibians.
جگر اسٹورز کا کھانا _______ کی شکل ہے؟
- ATP
- Albumen
- Glycogen
- None of these
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Explanation
The liver stores excess glucose in the form of glycogen, which can be broken down when energy is needed.This process helps in maintaining blood sugar levels through glycogenesis and glycogenolysis.
کون سا چینی کو کم کرنے والا نہیں ہے؟
- Lactose
- Glucose
- Sucrose
- None of these
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Explanation
Reducing sugars have a free aldehyde or ketone group that can reduce Benedict's or Fehling's solution.Sucrose is a non-reducing sugar because its glycosidic bond prevents the free aldehyde or ketone from reacting.
- Enzymes
- Nutrient
- Vitamins
- None of these
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Explanation
Pepsin is a digestive enzyme that breaks down proteins into smaller peptides in the stomach.It is secreted as an inactive form called pepsinogen and activated by stomach acid.
انسانی جسم میں سب سے مضبوط پٹھے _____ ہے؟
- Upper arm
- Calf
- Thigh
- None of these
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Explanation
Sartorius is the longest muscle in a human body.
The stapedius muscle is considered the weakest and smallest skeletal muscle in the human body.
ایک عام ستنداری میں گریوا کشیرکا ______ ہے؟
- 12
- 9
- 7
- None of these
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Explanation
Most mammals have seven cervical (neck) vertebrae, regardless of their size.This is a common trait in mammals, including humans, giraffes, and whales.
مرد کاکروچ کی شناخت ______ کی موجودگی سے لڑکی سے کی جاسکتی ہے؟
- Anal styles
- Elongated body
- Wingless body
- None of these
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Explanation
Male cockroaches have anal styles.They are short, paired projections near the anal cerci.Female cockroaches lack these anal styles, helping in distinguishing between the sexes.
ایک کیڑے کے پاس _____ ہے؟
- No eyes
- Large number of eyes
- Two pairs of eyes
- None of these
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Explanation
Earthworms do not have eyes.But they have light-sensitive cells on their skin that help them detect light and darkness.These photoreceptor cells allow them to stay underground and avoid predators.
جگر کے فلوک کے لاروا میں سسٹوجینس گلینڈ کے خلیے کون سے پائے جاتے ہیں؟
- Redia
- Cercaria
- Sporocyst
- None of these
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Explanation
Cercaria is the free-swimming larval stage of the liver fluke (Fasciola spp.).It contains cystogenous gland cells, which help in the formation of the protective cyst when it encysts on vegetation or inside the host.
