Which of the following vitamin is associated with blood coagulation?





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Functions of some important vitamins are as under.
Vitamin A: Vision, Immune Function, Cell Growth, Reproduction.
Vitamin B (B-complex vitamins): Energy Production, Red Blood Cell Formation, Nervous System Health, DNA Synthesis and Repair.
Vitamin C: Antioxidant, Collagen Synthesis, Immune Function, Wound Healing.
Vitamin D: Calcium Absorption, Bone Health, Immune Function, Muscle Function.
Vitamin E: Antioxidant, Immune Function, Skin Health, Cell Function.
Vitamin K: Bone Health, Cardiovascular Health, Cell Growth Regulation, Metabolism of Other Proteins, Brain Health, Anti-inflammatory Effects.

Universal blood donor belongs to the blood group ________





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The universal blood donor specifically belongs to the blood group O negative (O-). This is because O negative blood can be given to individuals of any blood type without causing an immune reaction.

O positive (O+) blood is not considered universal for all recipients because it can only be safely given to individuals with any positive Rh factor blood type (A+, B+, AB+, O+). However, O positive is the most common blood type and is often used in emergencies where the Rh factor of the recipient is known to be positive.

There ____ pairs of spinal nerves

A) 20

B) 30

C) 31

D) 33

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There are 31 pairs of spinal nerves and 12 pairs of cranial nerves

First artificial kidney was developed by ____ in 1913

A) Abel, Rountee and Turner

B) Dr. Abdul Qadeer Khan

C) Maxwell, Brown and Jacob

D) All of the above

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The first artificial kidney, or dialysis machine, was developed by Dr. Willem Kolff in 1943. However, in 1913, the first experiments related to dialysis were conducted by Dr. Abel, Dr. Rowntree, and Dr. Turner. They devised a rudimentary dialysis machine known as the “vividiffusion” apparatus, which laid the groundwork for future developments in renal replacement therapy.

A honey bee with hundreds of pollens stuck to its legs visit a flower but fertilization does not takes place. What is the probable answer of the statement?

A) Plant is not mature

B) Plant has not been watered properly

C) Flower is not of the same species

D) Plant is non-flowering

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Fertilization in plants involves the transfer of pollen from the anther (male part) of one flower to the stigma (female part) of another flower of the same species. This process is crucial for the production of seeds and fruit. Here’s an explanation of why option C is the most probable answer: C) Flower is not of the same species For successful fertilization to occur, the pollen must come from a flower of the same species. Pollen from different species typically cannot fertilize the ovules of another species due to various barriers: Pollen Compatibility: Pollen grains have species-specific proteins that must match with the receptors on the stigma of the same species. If the pollen and stigma do not recognize each other, the pollen will not germinate or grow a pollen tube to reach the ovules. Reproductive Isolation: Different species have evolved mechanisms to prevent cross-species fertilization, which helps maintain species integrity. These mechanisms include temporal isolation (different flowering times), spatial isolation (growing in different habitats), and genetic isolation (incompatibility at the molecular level).

Why Not the Other Options? A) Plant is not mature: If the plant were not mature, it might not produce flowers at all or the flowers produced might not have functional reproductive organs. However, the presence of a flower indicates that the plant has reached a certain level of maturity.
B) Plant has not been watered properly: While proper watering is essential for overall plant health and flower development, it does not directly prevent fertilization once the flower is formed and functional.
D) Plant is non-flowering: If the plant were non-flowering, there would be no flowers to visit in the first place, making this option irrelevant to the scenario described.
Therefore, the most likely reason that fertilization did not take place is that the pollen-laden honey bee visited a flower of a different species, which prevented the pollen from effectively fertilizing the flower’s ovules.

What is the name of organism that is responsible for pneumonia?

A) Plasmodium

B) Virus

C) Streptococcus

D) Amoeba

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Pneumonia can be caused by various organisms, including: Streptococcus pneumoniae (most common bacterial cause) Haemophilus influenzae Mycoplasma pneumoniae Legionella pneumophila Chlamydophila pneumoniae Respiratory syncytial virus (RSV) (common viral cause) Influenza virus SARS-CoV-2 (causes COVID-19-related pneumonia) Fungal organisms like Pneumocystis jirovecii (especially in immunocompromised individuals) These are just some of the many potential pathogens that can cause pneumonia.

What is the full name of membrane of the lungs?

A) Pleural membrane

B) Pericardium

C) Diaphragm

D) Epiglottis

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A) Pleural membrane: A double-layered membrane surrounding the lungs and lining the chest cavity.
B) Pericardium: A double-walled sac containing the heart and the roots of the great vessels.
C) Diaphragm: A dome-shaped muscle that separates the thoracic cavity from the abdominal cavity and aids in respiration.
D) Epiglottis: A leaf-shaped flap of cartilage located behind the tongue that prevents food from entering the trachea during swallowing.

What is the name of Thick muscular layer that separate lung from abdomen?

A) Pericardium

B) Plasma membrane

C) Both A and B

D) Diaphragm

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Pericardium surround the heart while cell membrane is the outer membrane of animnal cell. On the other hand in plant cell it is inside the cell wall

What is the name of Sound producing organ in the human body?

A) Pharynx

B) Larynx

C) Trachea

D) Tongue and Teeth

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Larynx is the part of respiratory system that is also responsible for the production of sound and that is why larynx is also termed as voice box.

A soft mass of slippery food when pass through oral cavity is called …….

A) Chyme

B) Bile

C) Bolus

D) All of the above

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Bolus is food that has been mixed with saliva. Chyme is food that has been mixed with gastric juice

In mutualism ____

A) Both partners benefitted

B) One organism harm and other get benefits

C) Both harm each other

D) None of the above is incorrect

Ribosome is called _____

رائبوزوم کو ________ کہا جاتا ہے۔

A) Protein synthesizing factory

B) Energy production unit

C) Power house of the cell

D) Nutrient supplier

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Ribosome helps in the production of proteins and are so called as protein synthesizing factory

The cylindrical stalk of the leaf is called _______

پتے کی ڈنڈی کو _______ کہا جاتا ہے۔

A) Stipule

B) Petiole

C) Midrib

D) Lamina

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a) Petiole: The petiole is the stalk that attaches the leaf blade (lamina) to the stem of the plant. It acts as a support for the leaf and contains vascular tissues that transport water, nutrients, and photosynthetic products between the leaf and the rest of the plant.

c) Midrib: The midrib is the central vein running through the middle of a leaf. It is the primary vein from which secondary veins branch out. The midrib provides structural support to the leaf and helps in the transport of nutrients and water.

d) Lamina: The lamina, also known as the leaf blade, is the broad, flat part of the leaf. It is typically the most visible part of the leaf and is where photosynthesis primarily takes place. The lamina is adapted to capture light and facilitate gas exchange for the plant.

Taste buds for sweet taste are located _________.

میٹھے ذائقے کے لیے ٹیسٹ بڈز کہاں ہوتے ہیں؟

A) At the tip of the tongue

B) At the backside of the tongue

C) At the point of attachment

D) None of the above

E) All of the above

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Certain areas of the tongue are more sensitive to certain tastes, like bitter at the back of the tongue, sour along either side toward the back, sweet on the front surface, or salty around the front edge.

Compare senses and select the right choice

حواس کا موازنہ کریں اور صحیح جواب کا انتخاب کریں۔

A) Childs have powerful sense of smell than adults

B) Adults have more sense of smell than Childs

C) Both above have equal

D) Parents have good sense of smell than their Childs

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The sense of smell is powerful in young age and with the passage of time this sense weakens

The smallest bone of the body is __________

انسانی بدن کی سب سے چھوٹی ہڈی ــــــــــــــــــــــــــــــــــــــــــــــــــ ہے۔

A. Incus

B. Hammer bone

C. Stapes

D. None of the above

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The smallest bone in the human body is stapes or stirrup bone which is located in the middle ear.

Which organelle is called power house of the cell?

کس عضو کو خلیے کا پاور ہاؤس کہا جاتا ہے؟

A) Cytoplasm

B) Nucleus

C) Ribosome

D) Mitochondria

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Mitochondria is called power house of the cell as it is responsible for the production of energy for cell. Mitochondria helps in respiration which is responsible for the break down of food components (Glucose) to release energy.

Suitable temperature required for photosynthesis in most plants in degree centigrade is

ذیادہ تر پودوں کو اچھے طریقے سے ضیائی تالیف کا عمل کرنے کیلئے کتنا ڈگری سینٹی گریڈ درجہ حرارت درکار ہوتا ہے؟

A) 25 to 35

B) 35 to 40

C) 40 50

D) 50 to 80

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most of the plants required 25 to 35 degree centigrade temperature for photosynthesis

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