Forestry MCQ || Set 5 || Tree Breeding -Wood Science and Technology -Wildlife Sciences

Question 81:-The type of sawing in which cut is made in a plane more or less parallel to the rays and perpendicular to growth rings is called as?

        A)Plain sawing

        B)Rip sawing

        C)Quarter sawing

        D)Box sawing

        Answer:Option-C

Question 82:-"Felling by roots" (or Felling for Roots) is advisable for which among the following species?

        A)Shorea robusta

        B)Santalum album

        C)Tectona grandis

        D)Swietenia macrophylla

        Answer:Option-B

Question 83:-Which among the following statements are true about Exotic forestry?

(i) The use of exotic plants and trees for various forestry applications.

(ii)This is inevitable where indigenous species fail to produce the desired quality and quantity of the forest produces.

(iii)   They can sometimes be very competitive and invasive in nature.

(iv)   Indigenous trees have better resistance to diseases and pathogens as

compared to exotic species.

        A)(i) and (iv)

        B)(i) and (ii)

        C)All the above

        D)None of the above

        Answer:Option-C

Question 84:-The percentage of cellulose in wood ranges from ________ to ________%.

        A)40-50%

        B)50-60%

        C)10-15%

        D)70-80%

        Answer:Option-A

Question85:-________ type of management involves regulating numbers of animals directly by harvesting or by influencing numbers by altering food supply, habitat, density of predators etc.

        A)Custodial management

        B)Manipulative management

        C)Population management

        D)None of the above

        Answer:Option-B

Question 86:-Which part of the wood has the presence of natural preservatives?

        A)Annual rings

        B)Heartwood

        C)Sapwood

        D)Early wood

        Answer:Option-B

Question 87:-Which among the following options does not follow the specification for a seed production area?

        A)Best near fully stocked natural stands or plantations

        B)Less crown surface area

        C)Stand must be old enough to produce seed

        D)None of the above

        Answer:Option-B

Question 88:-Which among the following are Ground-based methods of radiotracking animals?

(i)     Homing

(ii)    Triangulation

(iii)   Fixed towers

(iv)   Vehicle mounted antenna

        A)(i) and (ii)

        B)(i) and (iii)

        C)(iv)

        D)All the above

        Answer:Option-D

Question 89:-Most tree improvement programs are designed to provide continued gain through ________.

        A)Sib selection

        B)Recurrent selection

        C)Independent culling

        D)Family selection

        Answer:Option-B

Question 90:-An ongoing conservation breeding programme of the Central Zoo Authority for the conservation of Grey jungle fowl located at ___________.

        A)Sri Venkateswara Zoological Park, Tirupati

        B)Nehru Zoological Park, Hyderabad

        C)Nandankanan Biological Park, Bhubaneswar

        D)Biological Park, Itanagar

        Answer:Option-A

Question 91:-Ketamine hydrochloride is a drug used for

        A)Treatment of foot and mouth disease

        B)Repellent for wild animals

        C)Tranquilization of wild animals

        D)Revival of tranquilized animals

        Answer:Option-C

Question 92:-A tree that has been selected for grading because of its desirable phenotypic qualities but that has not been graded or tested is known as ________.

        A)Superior tree

        B)Elite tree

        C)Candidate tree

        D)Comparison tree

        Answer:Option-C

Question 93:-The air space present inside the perfectly dry wood material

determines its _________.

        A)Weight

        B)Density

        C)Porosity

        D)Calorific value

        Answer:Option-B

Question 94:-Which is the best way to evaluate the genetic worth of selected parent trees?

        A)Selection

        B)Progeny testing

        C)Thinning of parent trees

        D)None of the above

        Answer:Option-B

Question 95:-Which among the following is a composite wood?

(i)     Particle board

(ii)    Core board

(iii)   Sandwich board

(iv)   Plywood

        A)(i) and (iii)

        B)(ii)

        C)All the above

        D)None of the above

        Answer:Option-C

Question 96:-Where is the headquarters of WWF located?

        A)Australia

        B)Italy

        C)France

        D)Switzerland

        Answer:Option-D

Question 97:-The commonest type of defect in which portions of the branches enclosed within the wood is _________.

        A)Knots

        B)Case - hardening

        C)Collapse

        D)Wraping

        Answer:Option-A

Question 98:-_______ is one of the bird sancturies in India.

        A)Kazhiranga

        B)Thattekkad

        C)Point Caliaire

        D)Corbett

        Answer:Option-B

Question 99:-What are the features of Inbreeding depression?

(i)     Inbreeding depression of tree species can directly impact both genetic

diversity and the overall fitness of individuals within populations.

(ii)    Essential to evaluating population viability and extinction risk from the

perspectives of species conservation.

(iii)   Major type of inbreeding depression is expressed as albinism.

(iv)   This reduction in vigor is caused when recessive deleterious mutations

become homozygous in offspring due to self-pollination and/or crossing with related individuals.

        A)(i) and (ii)

        B)(i) and (iv)

        C)All the above

        D)None of the above

        Answer:Option-C

Question100:-Which of the following statement about seasoned wood is false?

A)A proper balance between the rate of evaporation of moisture from the

surface and the rate of outward diffusion of moisture from interior of the wood

B)Reduce considerable loss of wood through surface cracking, splitting,

wrapping etc.

C)First step towards realizing maximum attainable dimensional stability from

any timber during use

D)Seasoned wood is heavier

        Answer:Option-D