Explanation

Learning means a change in behavior, knowledge, skills, or attitudes as a result of experience, study, or instruction.

Explanation

Nissl bodies are composed of rough endoplasmic reticulum (RER) and free ribosomes.

It is also called a nissl substance.

It is a large granular body present in neurons.

Their main function is to synthesize and release proteins that are important for neuronal growth and regeneration of axons. 

Explanation

Reason: Sarcomeres are consist of two contractile proteins called myosin and actin, which bind during muscle contraction.

There are Six actin filaments surround each myosin filament, and each actin filament is surrounded by three myosin filaments.

This arrangement gives the muscles a striated appearance under magnification. 

Explanation

The essential components of infectious viral particles are nucleic acid (the genome) and protein.

Explanation

Nuclear fusion is the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy.

Explanation

Centrosomes are membrane-free organelles that serve as main microtubule-organizing centres in distinct eukaryotic lineages. 

Explanation

The smallest gymnosperm is Zamia pygmia which reaches a height of 25 cm.

Explanation

Mustards, cabbages, and their many relatives belong to the scientific family Cruciferae (or Brassicaceae), commonly called the mustard family.

The name Cruciferae, meaning “cross bearers,” comes from the shape of the flowers.

Explanation

Bryophytes are a group of land plants, sometimes treated as a taxonomic division,

that contains three groups of non-vascular land plants:

the liverworts, hornworts and mosses. In the strict sense, Bryophyta consists of the mosses only. 

Explanation

Resin ducts are elongated and tubular in structure.

These have intercellular spaces surrounded by epithelial cells that secrete resin into the canal.

They can be traced in the wood of the genera Picea, Larix, Pinus, Pseudotsuga, andShorea.

Explanation

Semiconservative nature of DNA replication was first proved by Matthew Meselson and Franklin Stahl in 1958, by their experiment in Escherichia coli.

According to this scheme, the two strands of DNA would separate from each other and will act as the template for DNA replication.

After the completion of the DNA replication, each new DNA will have one parental strand and one new strand.

Hence, this was known as the semiconservative nature of DNA replication.

Explanation

The arthropods such as crustaceans have a hard skeleton outside their body which is made up of chitin which is a type of carbohydrate. Chitinous exoskeleton is impermeable to water and protects the insect from desiccation.

Arthropods are also segmented but it is only confined to the ectodermally derived tissue.

Explanation

Ecdysone is a steroidal prohormone.

It is one of the major insect molting hormone.

The hormone is secreted from prothoracic glands.

This hormone is responsible for ecdysis or molting.

This is an important event which occurs during metamorphosis.

Corpus allata secretes juvenile hormone which is known as neotenin.

Explanation

Yucca is a genus of perennial shrubs and trees in the family Asparagaceae.

They are widely grown as ornamental plants in gardens.

They tolerate a range of conditions,

but are best grown in full sun in subtropical or mild temperate areas.

Explanation

Tube feet function in locomotion, feeding, and respiration.

The tube feet in a starfish are arranged in grooves along the arms.

They operate through hydraulic pressure.

They are used to pass food to the oral mouth at the center, and can attach to surfaces.

Explanation

There were three models for how organisms might replicate their DNA:

semi-conservative,

conservative,

and dispersive.

Explanation

Cnidarians are radially or biradially symmetric, a general type of symmetry believed primitive for eumetazoans.

They have achieved the tissue level of organization,

in which some similar cells are associated into groups or aggregations called tissues, but true organs do not occur.

Explanation

As a Stenotypist, handling classified papers involves managing and maintaining confidential documents.

Such as sensitive meeting minutes or transcripts, in accordance with established protocols and security procedures.

This task requires discretion, organization, and attention to detail to ensure the secure handling and storage of sensitive information.

Explanation

A Stenotypist is also known as a Stenographer.

It is typically responsible for attending meetings and taking verbatim minutes.

As well as transcribing audio and video recordings.

They may also provide secretarial support, including answering phone calls.

But their primary duty is capturing accurate and detailed records of meetings and proceedings.

Explanation

The primary purpose of maintaining an engagement diary in an office setting is to schedule meetings and appointments efficiently.

It ensuring proper time management and coordination among employees and stakeholders.

Explanation

In legal terms, "POA" typically stands for "Power of Attorney".

It is a legal document authorizing someone to act on behalf of another person.

It often in legal or financial matters.

Explanation

The primary purpose of maintaining records of acquired lands is legal compliance and documentation.

These records ensure that all transactions are properly documented and meet legal requirements.

Explanation

Processing cases for land acquisition involves direct interaction with landowners.

This task requires communicating with landowners to negotiate terms and ensure proper documentation and compliance.

Explanation

A specific responsibility of a Field Assistant in completing land acquisition formalities is carrying out surveys of purchased land.

This involves measuring and documenting the land to ensure accurate records and compliance with acquisition requirements.

Explanation

Assisting in the preparation of maps/drawings might be assigned to a Field Assistant from time to time.

This task aligns with their role in supporting land acquisition and fieldwork activities.

Explanation

The duty that involves physical fieldwork is the coordination of layout plans.

This task requires on-site visits and inspections to ensure accurate and practical layout planning.

Explanation

A key function of a Field Assistant concerning land acquisition is the coordination for preparation of maps/drawings.

This involves assisting in the creation and verification of maps and drawings necessary for land acquisition processes.

Explanation

The purpose of preparing arrears statements is to identify and track overdue tasks or payments.

These statements list unpaid or overdue amounts.

It helping to manage and follow up on outstanding obligations effectively.

Explanation

A common task for a professional photographer during the pre-production phase of a project is selecting and preparing equipment for the shoot.

This involves ensuring all necessary gear is ready and in optimal condition to capture the desired images effectively during the shoot.

Explanation

The feature that allows you to save a sequence of editing steps in photo editing software for future use or adjustment is the History Panel.

It records all the actions performed on an image.

It allowing users to revert to previous states or save specific stages of editing.

Explanation

The purpose of the "Red-Eye Removal Tool" in photo editing software is to correct red-eye caused by camera flash in portraits.

It specifically targets and reduces the red reflection in eyes.

It occurs due to the flash reflecting off the retina, resulting in a more natural appearance.

Explanation

The purpose of the "Sharpen Tool" in photo editing software is to enhance the clarity and definition of details in an image.

It increases the contrast of adjacent pixels, making edges and fine details appear more defined and sharper.

Explanation

TIFF (Tagged Image File Format) supports layers and is commonly used for saving editable images in photo editing software, such as Adobe Photoshop.

TIFF files maintain high image quality and allow for flexible editing.

This making them a popular choice among professionals in the photography and graphic design industries.

Explanation

In photography, the term "fast lens" typically refers to a lens with a wide maximum aperture.

This allows more light to enter the camera, enabling faster shutter speeds and better performance in low-light conditions.

Explanation

The purpose of the "focus ring" on a camera lens is to adjust the sharpness of the image.

It allows photographers to manually control the focus distance.

It ensuring subjects appear sharp and clear in photos.

Explanation

Effective communication with clients involves actively listening to their needs and preferences.

This ensures mutual understanding and alignment on project goals.

It avoiding misunderstandings or miscommunication.

Explanation

Motion blur in a photograph is caused by subject or camera movement during exposure.

Factors affecting motion blur are:

• Shutter speed: Faster speeds reduce motion blur; slower speeds increase it.
• Focal length: Longer focal lengths exaggerate motion blur.
• Aperture size: Affects depth of field but not directly motion blur.

ISO sensitivity: Controls light sensitivity but does not directly impact motion blur.

Explanation

RAW image format offers lossless compression.

It ensuring higher image quality and greater editing flexibility compared to JPEG.

Unlike JPEG, RAW files do not have pre-set filters and effects applied automatically.

It allowing more control over the final image.

Explanation

A camera lens can produce a picture at 0°C.

This is a common operating temperature where most camera equipment functions properly.

Explanation

Xenon is a noble gas used in high-intensity lamps, such as xenon headlights in cars, and in photographic flash lamps.

Xenon is used in flash guns, also known as strobe lights.

It is used to produce a brief, intense flash of light for photography.

Explanation

The Bronica GS-1 is a medium format film camera with a 6x7 aspect ratio.

It meaning that the camera produces a 6 cm x 7 cm negative.

Explanation

• Fisheye lenses have an extremely wide angle of view, typically between 180° to 200°.
• It produces a highly distorted, curved image.

Explanation

• Fluorite (calcium fluoride) is often used in camera lenses due to its low refractive index and low dispersion.
• It helps reduce chromatic aberration and improve image quality.
• It is commonly used in telephoto and wide-angle lenses to minimize distortions and enhance optical performance.

Explanation

• Superia is the fastest colored film, with an ISO range of 160-1600.
• It ideal for low-light conditions and fast shutter speeds.

Explanation

The Hajj Policy 2024 reserves 300 seats for low-paid employees. 

The Hajj quota for 2025 is 179,210, with an equal distribution between the government and private sectors. 

Each sector has been allocated 89,605 seats. 

Applicants are selected on a "first come - first serve" basis. 

Explanation

The act applies to all provinces and regions of Pakistan, regulating Hajj and Umrah services nationwide.

Explanation

There shall be three-members appellate committees chaired by an officer not below the rank of BPS-21 or equivalent to hear and dispose of appeals against decision of CDCs.

Explanation

To guarantee the health, safety, and well-being of pilgrims during their participation in Hajj rituals are environmental and safety protocols likely to be included in the draft agreements for Hajj arrangements in 2025

Explanation

Certificates issued by private clinics are not recognized by the Kingdom of Saudi Arabia for official purposes.

Explanation

جسر

bridge, embankment, viaduct, pier